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authorRoland Scheidegger <sroland@vmware.com>2009-03-12 14:01:16 (GMT)
committer Roland Scheidegger <sroland@vmware.com>2009-03-12 14:01:16 (GMT)
commit114152e068ec919feb0a57a1259c2ada970b9f02 (patch) (side-by-side diff)
treef424d1c9f88ddf36c94991906879f3a71ca1c36a
parentb7d841b59e9087c0ba8c2726897ab1506375e4e6 (diff)
downloadmesa-114152e068ec919feb0a57a1259c2ada970b9f02.zip
mesa-114152e068ec919feb0a57a1259c2ada970b9f02.tar.gz
mesa: add support for ATI_envmap_bumpmap
add new entrypoints, new texture format, etc translate in texenvprogram.c for drivers using the mesa-generated tex env fragment program also handled in swrast, but not tested (cannot work due to negative texel results not handled correctly)
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--src/mesa/glapi/gl_API.xml50
-rw-r--r--src/mesa/main/api_exec.c6
-rw-r--r--src/mesa/main/config.h3
-rw-r--r--src/mesa/main/context.c3
-rw-r--r--src/mesa/main/dlist.c46
-rw-r--r--src/mesa/main/extensions.c2
-rw-r--r--src/mesa/main/image.c153
-rw-r--r--src/mesa/main/image.h7
-rw-r--r--src/mesa/main/macros.h7
-rw-r--r--src/mesa/main/mipmap.c14
-rw-r--r--src/mesa/main/mtypes.h5
-rw-r--r--src/mesa/main/texenv.c174
-rw-r--r--src/mesa/main/texenv.h11
-rw-r--r--src/mesa/main/texenvprogram.c99
-rw-r--r--src/mesa/main/texformat.c42
-rw-r--r--src/mesa/main/texformat.h14
-rw-r--r--src/mesa/main/texformat_tmp.h17
-rw-r--r--src/mesa/main/teximage.c39
-rw-r--r--src/mesa/main/texstate.c20
-rw-r--r--src/mesa/main/texstore.c91
-rw-r--r--src/mesa/main/texstore.h2
-rw-r--r--src/mesa/shader/prog_statevars.c28
-rw-r--r--src/mesa/shader/prog_statevars.h2
-rw-r--r--src/mesa/swrast/s_texcombine.c95
24 files changed, 906 insertions, 24 deletions
diff --git a/src/mesa/glapi/gl_API.xml b/src/mesa/glapi/gl_API.xml
index 8212fc2..cc3e3ae 100644
--- a/src/mesa/glapi/gl_API.xml
+++ b/src/mesa/glapi/gl_API.xml
@@ -11681,6 +11681,56 @@
<enum name="DEPTH_STENCIL_TO_BGRA_NV" value="0x886F"/>
</category>
+<category name="GL_ATI_envmap_bumpmap" number="244">
+ <enum name="BUMP_ROT_MATRIX_ATI" count="4" value="0x8775">
+ <size name="TexBumpParameterfv"/>
+ <size name="TexBumpParameteriv"/>
+ <size name="GetTexBumpParameterfv" mode="get"/>
+ <size name="GetTexBumpParameteriv" mode="get"/>
+ </enum>
+ <enum name="BUMP_ROT_MATRIX_SIZE_ATI" count="1" value="0x8776">
+ <size name="GetTexBumpParameterfv" mode="get"/>
+ <size name="GetTexBumpParameteriv" mode="get"/>
+ </enum>
+ <enum name="BUMP_NUM_TEX_UNITS_ATI" count="1" value="0x8777">
+ <size name="GetTexBumpParameterfv" mode="get"/>
+ <size name="GetTexBumpParameteriv" mode="get"/>
+ </enum>
+ <enum name="BUMP_TEX_UNITS_ATI" count="-1" value="0x8778">
+ <size name="GetTexBumpParameterfv" mode="get"/>
+ <size name="GetTexBumpParameteriv" mode="get"/>
+ </enum>
+ <enum name="DUDV_ATI" value="0x8779"/>
+ <enum name="DU8DV8_ATI" value="0x877A"/>
+ <enum name="BUMP_ENVMAP_ATI" value="0x877B"/>
+ <enum name="BUMP_TARGET_ATI" count="1" value="0x877C">
+ <size name="TexEnviv"/>
+ <size name="TexEnvfv"/>
+ <size name="GetTexEnviv" mode="get"/>
+ <size name="GetTexEnvfv" mode="get"/>
+ </enum>
+ <function name="TexBumpParameterfvATI" offset="assign">
+ <param name="pname" type="GLenum"/>
+ <param name="param" type="const GLfloat *" variable_param="pname"/>
+ <glx ignore="true"/>
+ </function>
+ <function name="TexBumpParameterivATI" offset="assign">
+ <param name="pname" type="GLenum"/>
+ <param name="param" type="const GLint *" variable_param="pname"/>
+ <glx ignore="true"/>
+ </function>
+ <function name="GetTexBumpParameterfvATI" offset="assign">
+ <param name="pname" type="GLenum"/>
+ <param name="param" type="GLfloat *" variable_param="pname"/>
+ <glx ignore="true"/>
+ </function>
+ <function name="GetTexBumpParameterivATI" offset="assign">
+ <param name="pname" type="GLenum"/>
+ <param name="param" type="GLint *" variable_param="pname"/>
+ <glx ignore="true"/>
+ </function>
+</category>
+
<category name="GL_ATI_fragment_shader" number="245">
<function name="GenFragmentShadersATI" offset="assign">
<return type="GLuint"/>
diff --git a/src/mesa/main/api_exec.c b/src/mesa/main/api_exec.c
index e071581..6f66ff4 100644
--- a/src/mesa/main/api_exec.c
+++ b/src/mesa/main/api_exec.c
@@ -839,6 +839,12 @@ _mesa_init_exec_table(struct _glapi_table *exec)
SET_SetFragmentShaderConstantATI(exec, _mesa_SetFragmentShaderConstantATI);
#endif
+ /* GL_ATI_envmap_bumpmap */
+ SET_GetTexBumpParameterivATI(exec, _mesa_GetTexBumpParameterivATI);
+ SET_GetTexBumpParameterfvATI(exec, _mesa_GetTexBumpParameterfvATI);
+ SET_TexBumpParameterivATI(exec, _mesa_TexBumpParameterivATI);
+ SET_TexBumpParameterfvATI(exec, _mesa_TexBumpParameterfvATI);
+
#if FEATURE_EXT_framebuffer_object
SET_IsRenderbufferEXT(exec, _mesa_IsRenderbufferEXT);
SET_BindRenderbufferEXT(exec, _mesa_BindRenderbufferEXT);
diff --git a/src/mesa/main/config.h b/src/mesa/main/config.h
index 282ad95..fc31155 100644
--- a/src/mesa/main/config.h
+++ b/src/mesa/main/config.h
@@ -232,7 +232,8 @@
#define MAX_COLOR_ATTACHMENTS 8
/*@}*/
-
+/** For GL_ATI_envmap_bump - support bump mapping on first 8 units */
+#define SUPPORTED_ATI_BUMP_UNITS 0xff
/**
* \name Mesa-specific parameters
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 9fd9e76..84bf020 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -589,6 +589,9 @@ _mesa_init_constants(GLcontext *ctx)
/* GL_ARB_framebuffer_object */
ctx->Const.MaxSamples = 0;
+ /* GL_ATI_envmap_bumpmap */
+ ctx->Const.SupportedBumpUnits = SUPPORTED_ATI_BUMP_UNITS;
+
/* sanity checks */
ASSERT(ctx->Const.MaxTextureUnits == MIN2(ctx->Const.MaxTextureImageUnits,
ctx->Const.MaxTextureCoordUnits));
diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index d4bd56b..ebcef02 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -320,6 +320,8 @@ typedef enum
/* GL_ARB_draw_buffers */
OPCODE_DRAW_BUFFERS_ARB,
/* GL_ATI_fragment_shader */
+ OPCODE_TEX_BUMP_PARAMETER_ATI,
+ /* GL_ATI_fragment_shader */
OPCODE_BIND_FRAGMENT_SHADER_ATI,
OPCODE_SET_FRAGMENT_SHADER_CONSTANTS_ATI,
/* OpenGL 2.0 */
@@ -4803,6 +4805,36 @@ save_DrawBuffersARB(GLsizei count, const GLenum * buffers)
}
}
+static void GLAPIENTRY
+save_TexBumpParameterfvATI(GLenum pname, const GLfloat *param)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ Node *n;
+
+ n = ALLOC_INSTRUCTION(ctx, OPCODE_TEX_BUMP_PARAMETER_ATI, 5);
+ if (n) {
+ n[1].ui = pname;
+ n[2].f = param[0];
+ n[3].f = param[1];
+ n[4].f = param[2];
+ n[5].f = param[3];
+ }
+ if (ctx->ExecuteFlag) {
+ CALL_TexBumpParameterfvATI(ctx->Exec, (pname, param));
+ }
+}
+
+static void GLAPIENTRY
+save_TexBumpParameterivATI(GLenum pname, const GLint *param)
+{
+ GLfloat p[4];
+ p[0] = INT_TO_FLOAT(param[0]);
+ p[1] = INT_TO_FLOAT(param[1]);
+ p[2] = INT_TO_FLOAT(param[2]);
+ p[3] = INT_TO_FLOAT(param[3]);
+ save_TexBumpParameterfvATI(pname, p);
+}
+
#if FEATURE_ATI_fragment_shader
static void GLAPIENTRY
save_BindFragmentShaderATI(GLuint id)
@@ -6505,6 +6537,16 @@ execute_list(GLcontext *ctx, GLuint list)
n[9].i, n[10].e));
break;
#endif
+ case OPCODE_TEX_BUMP_PARAMETER_ATI:
+ {
+ GLfloat values[4];
+ GLuint i, pname = n[1].ui;
+
+ for (i = 0; i < 4; i++)
+ values[i] = n[1 + i].f;
+ CALL_TexBumpParameterfvATI(ctx->Exec, (pname, values));
+ }
+ break;
#if FEATURE_ATI_fragment_shader
case OPCODE_BIND_FRAGMENT_SHADER_ATI:
CALL_BindFragmentShaderATI(ctx->Exec, (n[1].i));
@@ -8043,6 +8085,10 @@ _mesa_init_dlist_table(struct _glapi_table *table)
SET_VertexAttribPointerNV(table, _mesa_VertexAttribPointerNV);
#endif
+ /* 244. GL_ATI_envmap_bumpmap */
+ SET_TexBumpParameterivATI(table, save_TexBumpParameterivATI);
+ SET_TexBumpParameterfvATI(table, save_TexBumpParameterfvATI);
+
/* 245. GL_ATI_fragment_shader */
#if FEATURE_ATI_fragment_shader
SET_BindFragmentShaderATI(table, save_BindFragmentShaderATI);
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index fbca924..2d2bf51 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -137,6 +137,7 @@ static const struct {
{ ON, "GL_APPLE_packed_pixels", F(APPLE_packed_pixels) },
{ OFF, "GL_APPLE_vertex_array_object", F(APPLE_vertex_array_object) },
{ OFF, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate) },
+ { OFF, "GL_ATI_envmap_bumpmap", F(ATI_envmap_bumpmap) },
{ OFF, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3)},
{ OFF, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once)},
{ OFF, "GL_ATI_fragment_shader", F(ATI_fragment_shader)},
@@ -229,6 +230,7 @@ _mesa_enable_sw_extensions(GLcontext *ctx)
/*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
#endif
ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+ ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
#if FEATURE_ATI_fragment_shader
ctx->Extensions.ATI_fragment_shader = GL_TRUE;
#endif
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c
index 4d86c54..ed08116 100644
--- a/src/mesa/main/image.c
+++ b/src/mesa/main/image.c
@@ -293,6 +293,8 @@ _mesa_components_in_format( GLenum format )
return 2;
case GL_DEPTH_STENCIL_EXT:
return 2;
+ case GL_DUDV_ATI:
+ return 2;
default:
return -1;
}
@@ -503,6 +505,20 @@ _mesa_is_legal_format_and_type( GLcontext *ctx, GLenum format, GLenum type )
return GL_TRUE;
else
return GL_FALSE;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ case GL_FLOAT:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
default:
; /* fall-through */
}
@@ -1674,8 +1690,19 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
GLfloat luminance[MAX_WIDTH];
const GLint comps = _mesa_components_in_format(dstFormat);
GLuint i;
-
- if (dstType != GL_FLOAT || ctx->Color.ClampReadColor == GL_TRUE) {
+ /* clamping only applies to colors, not the dudv values, but still need
+ it if converting to unsigned values (which doesn't make much sense) */
+ if (dstFormat == GL_DUDV_ATI || dstFormat == GL_DU8DV8_ATI) {
+ switch (dstType) {
+ case GL_UNSIGNED_BYTE:
+ case GL_UNSIGNED_SHORT:
+ case GL_UNSIGNED_INT:
+ transferOps |= IMAGE_CLAMP_BIT;
+ break;
+ /* actually might want clamp to [-1,1] otherwise but shouldn't matter? */
+ }
+ }
+ else if (dstType != GL_FLOAT || ctx->Color.ClampReadColor == GL_TRUE) {
/* need to clamp to [0, 1] */
transferOps |= IMAGE_CLAMP_BIT;
}
@@ -1774,6 +1801,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
dst[i*4+3] = FLOAT_TO_UBYTE(rgba[i][RCOMP]);
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = FLOAT_TO_UBYTE(rgba[i][RCOMP]);
+ dst[i*2+1] = FLOAT_TO_UBYTE(rgba[i][GCOMP]);
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -1847,6 +1881,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
dst[i*4+3] = FLOAT_TO_BYTE(rgba[i][RCOMP]);
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = FLOAT_TO_BYTE(rgba[i][RCOMP]);
+ dst[i*2+1] = FLOAT_TO_BYTE(rgba[i][GCOMP]);
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -1920,6 +1961,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
CLAMPED_FLOAT_TO_USHORT(dst[i*4+3], rgba[i][RCOMP]);
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = FLOAT_TO_USHORT(rgba[i][RCOMP]);
+ dst[i*2+1] = FLOAT_TO_USHORT(rgba[i][GCOMP]);
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -1993,6 +2041,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
dst[i*4+3] = FLOAT_TO_SHORT(rgba[i][RCOMP]);
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = FLOAT_TO_SHORT(rgba[i][RCOMP]);
+ dst[i*2+1] = FLOAT_TO_SHORT(rgba[i][GCOMP]);
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -2066,6 +2121,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
dst[i*4+3] = FLOAT_TO_UINT(rgba[i][RCOMP]);
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = FLOAT_TO_UINT(rgba[i][RCOMP]);
+ dst[i*2+1] = FLOAT_TO_UINT(rgba[i][GCOMP]);
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -2139,6 +2201,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
dst[i*4+3] = FLOAT_TO_INT(rgba[i][RCOMP]);
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = FLOAT_TO_INT(rgba[i][RCOMP]);
+ dst[i*2+1] = FLOAT_TO_INT(rgba[i][GCOMP]);
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -2212,6 +2281,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
dst[i*4+3] = rgba[i][RCOMP];
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = rgba[i][RCOMP];
+ dst[i*2+1] = rgba[i][GCOMP];
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -2285,6 +2361,13 @@ _mesa_pack_rgba_span_float(GLcontext *ctx, GLuint n, GLfloat rgba[][4],
dst[i*4+3] = _mesa_float_to_half(rgba[i][RCOMP]);
}
break;
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = _mesa_float_to_half(rgba[i][RCOMP]);
+ dst[i*2+1] = _mesa_float_to_half(rgba[i][GCOMP]);
+ }
+ break;
default:
_mesa_problem(ctx, "bad format in _mesa_pack_rgba_span\n");
}
@@ -2834,7 +2917,8 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
srcFormat == GL_BGR ||
srcFormat == GL_RGBA ||
srcFormat == GL_BGRA ||
- srcFormat == GL_ABGR_EXT);
+ srcFormat == GL_ABGR_EXT ||
+ srcFormat == GL_DUDV_ATI);
ASSERT(srcType == GL_UNSIGNED_BYTE ||
srcType == GL_BYTE ||
@@ -2949,6 +3033,13 @@ extract_float_rgba(GLuint n, GLfloat rgba[][4],
aComp = 0;
stride = 4;
break;
+ case GL_DUDV_ATI:
+ redIndex = 0;
+ greenIndex = 1;
+ blueIndex = -1;
+ alphaIndex = -1;
+ stride = 2;
+ break;
default:
_mesa_problem(NULL, "bad srcFormat in extract float data");
return;
@@ -3877,6 +3968,62 @@ _mesa_unpack_color_span_float( GLcontext *ctx,
}
}
+/**
+ * Similar to _mesa_unpack_color_span_float(), but for dudv data instead of rgba,
+ * directly return GLbyte data, no transfer ops apply.
+ */
+void
+_mesa_unpack_dudv_span_byte( GLcontext *ctx,
+ GLuint n, GLenum dstFormat, GLbyte dest[],
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *source,
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLbitfield transferOps )
+{
+ ASSERT(dstFormat == GL_DUDV_ATI);
+ ASSERT(srcFormat == GL_DUDV_ATI);
+
+ ASSERT(srcType == GL_UNSIGNED_BYTE ||
+ srcType == GL_BYTE ||
+ srcType == GL_UNSIGNED_SHORT ||
+ srcType == GL_SHORT ||
+ srcType == GL_UNSIGNED_INT ||
+ srcType == GL_INT ||
+ srcType == GL_HALF_FLOAT_ARB ||
+ srcType == GL_FLOAT);
+
+ /* general solution */
+ {
+ GLint dstComponents;
+ GLfloat rgba[MAX_WIDTH][4];
+
+ dstComponents = _mesa_components_in_format( dstFormat );
+ /* source & dest image formats should have been error checked by now */
+ assert(dstComponents > 0);
+
+ /*
+ * Extract image data and convert to RGBA floats
+ */
+ assert(n <= MAX_WIDTH);
+ extract_float_rgba(n, rgba, srcFormat, srcType, source,
+ srcPacking->SwapBytes);
+
+
+ /* Now determine which color channels we need to produce.
+ * And determine the dest index (offset) within each color tuple.
+ */
+
+ /* Now pack results in the requested dstFormat */
+ GLbyte *dst = dest;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ /* not sure - need clamp[-1,1] here? */
+ dst[0] = FLOAT_TO_BYTE(rgba[i][RCOMP]);
+ dst[1] = FLOAT_TO_BYTE(rgba[i][GCOMP]);
+ dst += dstComponents;
+ }
+ }
+}
/*
* Unpack a row of color index data from a client buffer according to
diff --git a/src/mesa/main/image.h b/src/mesa/main/image.h
index 0e0bbd9..b26c27e 100644
--- a/src/mesa/main/image.h
+++ b/src/mesa/main/image.h
@@ -198,6 +198,13 @@ _mesa_unpack_color_span_float( GLcontext *ctx,
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps );
+extern void
+_mesa_unpack_dudv_span_byte( GLcontext *ctx,
+ GLuint n, GLenum dstFormat, GLbyte dest[],
+ GLenum srcFormat, GLenum srcType,
+ const GLvoid *source,
+ const struct gl_pixelstore_attrib *srcPacking,
+ GLbitfield transferOps );
extern void
_mesa_unpack_index_span( const GLcontext *ctx, GLuint n,
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 2630855..bfd7408 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -54,13 +54,16 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256];
#define FLOAT_TO_BYTE(X) ( (((GLint) (255.0F * (X))) - 1) / 2 )
-/** Convert GLushort in [0,65536] to GLfloat in [0.0,1.0] */
+/** Convert GLushort in [0,65535] to GLfloat in [0.0,1.0] */
#define USHORT_TO_FLOAT(S) ((GLfloat) (S) * (1.0F / 65535.0F))
+/** Convert GLfloat in [0.0,1.0] to GLushort in [0, 65535] */
+#define FLOAT_TO_USHORT(X) ((GLuint) ((X) * 65535.0))
+
/** Convert GLshort in [-32768,32767] to GLfloat in [-1.0,1.0] */
#define SHORT_TO_FLOAT(S) ((2.0F * (S) + 1.0F) * (1.0F/65535.0F))
-/** Convert GLfloat in [0.0,1.0] to GLshort in [-32768,32767] */
+/** Convert GLfloat in [-1.0,1.0] to GLshort in [-32768,32767] */
#define FLOAT_TO_SHORT(X) ( (((GLint) (65535.0F * (X))) - 1) / 2 )
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 3dd4b33..af2bf8f 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -85,7 +85,7 @@ bytes_per_pixel(GLenum datatype, GLuint comps)
rowC[j][e], rowC[k][e], \
rowD[j][e], rowD[k][e]); \
} while(0)
-
+
#define FILTER_F_3D(e) \
do { \
dst[i][e] = (rowA[j][e] + rowA[k][e] \
@@ -226,7 +226,6 @@ do_row(GLenum datatype, GLuint comps, GLint srcWidth,
dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) / 4;
}
}
-
else if (datatype == GL_FLOAT && comps == 4) {
GLuint i, j, k;
const GLfloat(*rowA)[4] = (const GLfloat(*)[4]) srcRowA;
@@ -471,6 +470,17 @@ do_row(GLenum datatype, GLuint comps, GLint srcWidth,
dst[i] = (blue << 5) | (green << 2) | red;
}
}
+ else if (datatype == GL_BYTE && comps == 2) {
+ GLuint i, j, k;
+ const GLbyte(*rowA)[2] = (const GLbyte(*)[2]) srcRowA;
+ const GLbyte(*rowB)[2] = (const GLbyte(*)[2]) srcRowB;
+ GLbyte(*dst)[2] = (GLbyte(*)[2]) dstRow;
+ for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+ i++, j += colStride, k += colStride) {
+ dst[i][0] = (rowA[j][0] + rowA[k][0] + rowB[j][0] + rowB[k][0]) >> 2;
+ dst[i][1] = (rowA[j][1] + rowA[k][1] + rowB[j][1] + rowB[k][1]) >> 2;
+ }
+ }
else {
_mesa_problem(NULL, "bad format in do_row()");
}
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 9080c83..169f1af 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1390,6 +1390,8 @@ struct gl_texture_unit
GLbitfield _GenFlags; /**< Bitwise-OR of Gen[STRQ]._ModeBit */
GLfloat LodBias; /**< for biasing mipmap levels */
+ GLenum BumpTarget;
+ GLfloat RotMatrix[4]; /* 2x2 matrix */
/**
* \name GL_EXT_texture_env_combine
@@ -2388,6 +2390,8 @@ struct gl_constants
GLuint MaxSamples; /**< GL_ARB_framebuffer_object */
GLuint MaxVarying; /**< Number of float[4] varying parameters */
+
+ GLbitfield SupportedBumpUnits; /**> units supporting GL_ATI_envmap_bumpmap as targets */
};
@@ -2484,6 +2488,7 @@ struct gl_extensions
GLboolean APPLE_client_storage;
GLboolean APPLE_packed_pixels;
GLboolean APPLE_vertex_array_object;
+ GLboolean ATI_envmap_bumpmap;
GLboolean ATI_texture_mirror_once;
GLboolean ATI_texture_env_combine3;
GLboolean ATI_fragment_shader;
diff --git a/src/mesa/main/texenv.c b/src/mesa/main/texenv.c
index 95547a5..c2960fc 100644
--- a/src/mesa/main/texenv.c
+++ b/src/mesa/main/texenv.c
@@ -142,7 +142,11 @@ set_combiner_mode(GLcontext *ctx,
case GL_MODULATE_ADD_ATI:
case GL_MODULATE_SIGNED_ADD_ATI:
case GL_MODULATE_SUBTRACT_ATI:
- legal =ctx->Extensions.ATI_texture_env_combine3;
+ legal = ctx->Extensions.ATI_texture_env_combine3;
+ break;
+ case GL_BUMP_ENVMAP_ATI:
+ legal = (ctx->Extensions.ATI_envmap_bumpmap &&
+ pname == GL_COMBINE_RGB);
break;
default:
legal = GL_FALSE;
@@ -500,6 +504,26 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
case GL_ALPHA_SCALE:
set_combiner_scale(ctx, texUnit, pname, param[0]);
break;
+ case GL_BUMP_TARGET_ATI:
+ if (!ctx->Extensions.ATI_envmap_bumpmap) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname=0x%x)", pname );
+ return;
+ }
+ if (((GLenum) (GLint) param[0] < GL_TEXTURE0) ||
+ ((GLenum) (GLint) param[0] > GL_TEXTURE31)) {
+ /* spec doesn't say this but it seems logical */
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(param=0x%x)", (GLenum) (GLint) param[0]);
+ return;
+ }
+ if (!((1 << ((GLenum) (GLint) param[0] - GL_TEXTURE0)) & ctx->Const.SupportedBumpUnits)) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glTexEnv(param=0x%x)", (GLenum) (GLint) param[0]);
+ return;
+ }
+ else {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texUnit->BumpTarget = (GLenum) (GLint) param[0];
+ }
+ break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" );
return;
@@ -735,6 +759,16 @@ get_texenvi(GLcontext *ctx, const struct gl_texture_unit *texUnit,
_mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
}
break;
+ case GL_BUMP_TARGET_ATI:
+ /* spec doesn't say so, but I think this should be queryable */
+ if (ctx->Extensions.ATI_envmap_bumpmap) {
+ return texUnit->BumpTarget;
+ }
+ else {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)");
+ }
+ break;
+
default:
;
}
@@ -874,4 +908,142 @@ _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params )
}
}
+/* why does ATI_envmap_bumpmap require new entrypoints? Should just
+ reuse TexEnv ones... */
+void GLAPIENTRY
+_mesa_TexBumpParameterivATI( GLenum pname, const GLint *param )
+{
+ GLfloat p[4];
+ if (pname == GL_BUMP_ROT_MATRIX_ATI) {
+ /* hope that conversion is correct here */
+ p[0] = INT_TO_FLOAT( param[0] );
+ p[1] = INT_TO_FLOAT( param[1] );
+ p[2] = INT_TO_FLOAT( param[2] );
+ p[3] = INT_TO_FLOAT( param[3] );
+ }
+ else {
+ p[0] = (GLfloat) param[0];
+ p[1] = p[2] = p[3] = 0; /* init to zero, just to be safe */
+ }
+ _mesa_TexBumpParameterfvATI( pname, p );
+}
+
+void GLAPIENTRY
+_mesa_TexBumpParameterfvATI( GLenum pname, const GLfloat *param )
+{
+ struct gl_texture_unit *texUnit;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* should return error if extension not supported? */
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
+ if (pname == GL_BUMP_ROT_MATRIX_ATI) {
+ if (TEST_EQ_4V(param, texUnit->RotMatrix))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texUnit->RotMatrix, param);
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexBumpParameter(pname)" );
+ return;
+ }
+ /* Drivers might want to know about this, instead of dedicated function
+ just shove it into TexEnv where it really belongs anyway */
+ if (ctx->Driver.TexEnv) {
+ (*ctx->Driver.TexEnv)( ctx, 0, pname, param );
+ }
+}
+
+void GLAPIENTRY
+_mesa_GetTexBumpParameterivATI( GLenum pname, GLint *param )
+{
+ const struct gl_texture_unit *texUnit;
+ GLint i;
+ GLint temp = 0;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* should return error if extension not supported? */
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
+ if (pname == GL_BUMP_ROT_MATRIX_SIZE_ATI) {
+ /* spec leaves open to support larger matrices.
+ Don't think anyone would ever want to use it
+ (and apps almost certainly would not understand it and
+ thus fail to submit matrices correctly) so hardcode this. */
+ *param = 4;
+ }
+ else if (pname == GL_BUMP_ROT_MATRIX_ATI) {
+ /* hope that conversion is correct here */
+ param[0] = FLOAT_TO_INT(texUnit->RotMatrix[0]);
+ param[1] = FLOAT_TO_INT(texUnit->RotMatrix[1]);
+ param[2] = FLOAT_TO_INT(texUnit->RotMatrix[2]);
+ param[3] = FLOAT_TO_INT(texUnit->RotMatrix[3]);
+ }
+ else if (pname == GL_BUMP_NUM_TEX_UNITS_ATI) {
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
+ if (ctx->Const.SupportedBumpUnits & (1 << i)) {
+ temp++;
+ }
+ }
+ *param = temp;
+ }
+ else if (pname == GL_BUMP_TEX_UNITS_ATI) {
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
+ if (ctx->Const.SupportedBumpUnits & (1 << i)) {
+ *param++ = i + GL_TEXTURE0;
+ }
+ }
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexBumpParameter(pname)" );
+ return;
+ }
+}
+
+void GLAPIENTRY
+_mesa_GetTexBumpParameterfvATI( GLenum pname, GLfloat *param )
+{
+ const struct gl_texture_unit *texUnit;
+ GLint i;
+ GLint temp = 0;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+ /* should return error if extension not supported? */
+ texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+
+ if (pname == GL_BUMP_ROT_MATRIX_SIZE_ATI) {
+ /* spec leaves open to support larger matrices.
+ Don't think anyone would ever want to use it
+ (and apps might not understand it) so hardcode this. */
+ *param = (GLfloat) 4;
+ }
+ else if (pname == GL_BUMP_ROT_MATRIX_ATI) {
+ param[0] = texUnit->RotMatrix[0];
+ param[1] = texUnit->RotMatrix[1];
+ param[2] = texUnit->RotMatrix[2];
+ param[3] = texUnit->RotMatrix[3];
+ }
+ else if (pname == GL_BUMP_NUM_TEX_UNITS_ATI) {
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
+ if (ctx->Const.SupportedBumpUnits & (1 << i)) {
+ temp++;
+ }
+ }
+ *param = (GLfloat) temp;
+ }
+ else if (pname == GL_BUMP_TEX_UNITS_ATI) {
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
+ if (ctx->Const.SupportedBumpUnits & (1 << i)) {
+ *param++ = (GLfloat) (i + GL_TEXTURE0);
+ }
+ }
+ }
+ else {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexBumpParameter(pname)" );
+ return;
+ }
+}
diff --git a/src/mesa/main/texenv.h b/src/mesa/main/texenv.h
index bdff7fd..1e9c5fa 100644
--- a/src/mesa/main/texenv.h
+++ b/src/mesa/main/texenv.h
@@ -48,5 +48,16 @@ _mesa_TexEnvi( GLenum target, GLenum pname, GLint param );
extern void GLAPIENTRY
_mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param );
+extern void GLAPIENTRY
+_mesa_TexBumpParameterivATI( GLenum pname, const GLint *param );
+
+extern void GLAPIENTRY
+_mesa_TexBumpParameterfvATI( GLenum pname, const GLfloat *param );
+
+extern void GLAPIENTRY
+_mesa_GetTexBumpParameterivATI( GLenum pname, GLint *param );
+
+extern void GLAPIENTRY
+_mesa_GetTexBumpParameterfvATI( GLenum pname, GLfloat *param );
#endif /* TEXENV_H */
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index 51c13a5..3fbd119 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -94,11 +94,11 @@ struct state_key {
GLuint ScaleShiftA:2;
GLuint NumArgsRGB:3;
- GLuint ModeRGB:4;
+ GLuint ModeRGB:5;
struct mode_opt OptRGB[MAX_TERMS];
GLuint NumArgsA:3;
- GLuint ModeA:4;
+ GLuint ModeA:5;
struct mode_opt OptA[MAX_TERMS];
} unit[8];
};
@@ -194,7 +194,8 @@ static GLuint translate_source( GLenum src )
#define MODE_MODULATE_SUBTRACT_ATI 12 /* r = a0 * a2 - a1 */
#define MODE_ADD_PRODUCTS 13 /* r = a0 * a1 + a2 * a3 */
#define MODE_ADD_PRODUCTS_SIGNED 14 /* r = a0 * a1 + a2 * a3 - 0.5 */
-#define MODE_UNKNOWN 15
+#define MODE_BUMP_ENVMAP_ATI 15 /* special */
+#define MODE_UNKNOWN 16
/**
* Translate GL combiner state into a MODE_x value
@@ -223,6 +224,7 @@ static GLuint translate_mode( GLenum envMode, GLenum mode )
case GL_MODULATE_ADD_ATI: return MODE_MODULATE_ADD_ATI;
case GL_MODULATE_SIGNED_ADD_ATI: return MODE_MODULATE_SIGNED_ADD_ATI;
case GL_MODULATE_SUBTRACT_ATI: return MODE_MODULATE_SUBTRACT_ATI;
+ case GL_BUMP_ENVMAP_ATI: return MODE_BUMP_ENVMAP_ATI;
default:
assert(0);
return MODE_UNKNOWN;
@@ -383,7 +385,7 @@ static void make_state_key( GLcontext *ctx, struct state_key *key )
translate_mode(texUnit->EnvMode, texUnit->_CurrentCombine->ModeRGB);
key->unit[i].ModeA =
translate_mode(texUnit->EnvMode, texUnit->_CurrentCombine->ModeA);
-
+
key->unit[i].ScaleShiftRGB = texUnit->_CurrentCombine->ScaleShiftRGB;
key->unit[i].ScaleShiftA = texUnit->_CurrentCombine->ScaleShiftA;
@@ -397,8 +399,18 @@ static void make_state_key( GLcontext *ctx, struct state_key *key )
key->unit[i].OptA[j].Source =
translate_source(texUnit->_CurrentCombine->SourceA[j]);
}
+
+ if (key->unit[i].ModeRGB == MODE_BUMP_ENVMAP_ATI) {
+ /* requires some special translation */
+ key->unit[i].NumArgsRGB = 2;
+ key->unit[i].ScaleShiftRGB = 0;
+ key->unit[i].OptRGB[0].Operand = OPR_SRC_COLOR;
+ key->unit[i].OptRGB[0].Source = SRC_TEXTURE;
+ key->unit[i].OptRGB[1].Operand = OPR_SRC_COLOR;
+ key->unit[i].OptRGB[1].Source = texUnit->BumpTarget - GL_TEXTURE0 + SRC_TEXTURE0;
+ }
}
-
+
if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
key->separate_specular = 1;
inputs_referenced |= FRAG_BIT_COL1;
@@ -464,6 +476,11 @@ struct texenv_fragment_program {
* else undef.
*/
+ struct ureg texcoord_tex[MAX_TEXTURE_COORD_UNITS];
+ /* Reg containing texcoord for a texture unit,
+ * needed for bump mapping, else undef.
+ */
+
struct ureg src_previous; /**< Reg containing color from previous
* stage. May need to be decl'd.
*/
@@ -756,6 +773,7 @@ static struct ureg emit_texld( struct texenv_fragment_program *p,
*/
reserve_temp(p, dest);
+#if 0
/* Is this a texture indirection?
*/
if ((coord.file == PROGRAM_TEMPORARY &&
@@ -767,6 +785,7 @@ static struct ureg emit_texld( struct texenv_fragment_program *p,
p->alu_temps = 0;
assert(0); /* KW: texture env crossbar */
}
+#endif
return dest;
}
@@ -1052,6 +1071,10 @@ static struct ureg emit_combine( struct texenv_fragment_program *p,
emit_arith( p, OPCODE_SUB, dest, mask, saturate, tmp0, half, undef );
}
return dest;
+ case MODE_BUMP_ENVMAP_ATI:
+ /* special - not handled here */
+ assert(0);
+ return src[0];
default:
assert(0);
return src[0];
@@ -1074,6 +1097,10 @@ emit_texenv(struct texenv_fragment_program *p, GLuint unit)
if (!key->unit[unit].enabled) {
return get_source(p, SRC_PREVIOUS, 0);
}
+ if (key->unit[unit].ModeRGB == MODE_BUMP_ENVMAP_ATI) {
+ /* this isn't really a env stage delivering a color and handled elsewhere */
+ return get_source(p, SRC_PREVIOUS, 0);
+ }
switch (key->unit[unit].ModeRGB) {
case MODE_DOT3_RGB_EXT:
@@ -1163,9 +1190,17 @@ static void load_texture( struct texenv_fragment_program *p, GLuint unit )
{
if (is_undef(p->src_texture[unit])) {
GLuint texTarget = p->state->unit[unit].source_index;
- struct ureg texcoord = register_input(p, FRAG_ATTRIB_TEX0+unit);
+ struct ureg texcoord;
struct ureg tmp = get_tex_temp( p );
+ if (is_undef(p->texcoord_tex[unit])) {
+ texcoord = register_input(p, FRAG_ATTRIB_TEX0+unit);
+ }
+ else {
+ /* might want to reuse this reg for tex output actually */
+ texcoord = p->texcoord_tex[unit];
+ }
+
if (texTarget == TEXTURE_UNKNOWN_INDEX)
program_error(p, "TexSrcBit");
@@ -1233,7 +1268,7 @@ load_texunit_sources( struct texenv_fragment_program *p, int unit )
GLuint i;
for (i = 0; i < key->unit[unit].NumArgsRGB; i++) {
- load_texenv_source( p, key->unit[unit].OptRGB[i].Source, unit);
+ load_texenv_source( p, key->unit[unit].OptRGB[i].Source, unit );
}
for (i = 0; i < key->unit[unit].NumArgsA; i++) {
@@ -1243,6 +1278,40 @@ load_texunit_sources( struct texenv_fragment_program *p, int unit )
return GL_TRUE;
}
+/**
+ * Generate instructions for loading bump map textures.
+ */
+static GLboolean
+load_texunit_bumpmap( struct texenv_fragment_program *p, int unit )
+{
+ struct state_key *key = p->state;
+ GLuint bumpedUnitNr = key->unit[unit].OptRGB[1].Source - SRC_TEXTURE0;
+ struct ureg texcDst, bumpMapRes;
+ struct ureg constdudvcolor = register_const4f(p, 0.0, 0.0, 0.0, 1.0);
+ struct ureg texcSrc = register_input(p, FRAG_ATTRIB_TEX0 + bumpedUnitNr);
+ struct ureg rotMat0 = register_param3( p, STATE_INTERNAL, STATE_ROT_MATRIX_0, unit );
+ struct ureg rotMat1 = register_param3( p, STATE_INTERNAL, STATE_ROT_MATRIX_1, unit );
+
+ load_texenv_source( p, unit + SRC_TEXTURE0, unit );
+
+ bumpMapRes = get_source(p, key->unit[unit].OptRGB[0].Source, unit);
+ texcDst = get_tex_temp( p );
+ p->texcoord_tex[bumpedUnitNr] = texcDst;
+
+ /* apply rot matrix and add coords to be available in next phase */
+ /* dest = (Arg0.xxxx * rotMat0 + Arg1) + (Arg0.yyyy * rotMat1) */
+ /* note only 2 coords are affected the rest are left unchanged (mul by 0) */
+ emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
+ swizzle1(bumpMapRes, SWIZZLE_X), rotMat0, texcSrc );
+ emit_arith( p, OPCODE_MAD, texcDst, WRITEMASK_XYZW, 0,
+ swizzle1(bumpMapRes, SWIZZLE_Y), rotMat1, texcDst );
+
+ /* move 0,0,0,1 into bumpmap src if someone (crossbar) is foolish
+ enough to access this later, should optimize away */
+ emit_arith( p, OPCODE_MOV, bumpMapRes, WRITEMASK_XYZW, 0, constdudvcolor, undef, undef );
+
+ return GL_TRUE;
+}
/**
* Generate a new fragment program which implements the context's
@@ -1267,7 +1336,7 @@ create_new_program(GLcontext *ctx, struct state_key *key,
*/
p.program->Base.Instructions = instBuffer;
p.program->Base.Target = GL_FRAGMENT_PROGRAM_ARB;
- p.program->Base.NumTexIndirections = 1; /* correct? */
+ p.program->Base.NumTexIndirections = 1;
p.program->Base.NumTexInstructions = 0;
p.program->Base.NumAluInstructions = 0;
p.program->Base.String = NULL;
@@ -1280,8 +1349,10 @@ create_new_program(GLcontext *ctx, struct state_key *key,
p.program->Base.InputsRead = 0;
p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR;
- for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++)
+ for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
p.src_texture[unit] = undef;
+ p.texcoord_tex[unit] = undef;
+ }
p.src_previous = undef;
p.half = undef;
@@ -1292,6 +1363,16 @@ create_new_program(GLcontext *ctx, struct state_key *key,
release_temps(ctx, &p);
if (key->enabled_units) {
+ GLboolean needbumpstage = GL_FALSE;
+ /* Zeroth pass - bump map textures first */
+ for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++)
+ if (key->unit[unit].enabled && key->unit[unit].ModeRGB == MODE_BUMP_ENVMAP_ATI) {
+ needbumpstage = GL_TRUE;
+ load_texunit_bumpmap( &p, unit );
+ }
+ if (needbumpstage)
+ p.program->Base.NumTexIndirections++;
+
/* First pass - to support texture_env_crossbar, first identify
* all referenced texture sources and emit texld instructions
* for each:
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index 16d05cc..61a1249 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -696,6 +696,33 @@ const struct gl_texture_format _mesa_texformat_intensity_float16 = {
store_texel_intensity_f16 /* StoreTexel */
};
+const struct gl_texture_format _mesa_texformat_dudv8 = {
+ MESA_FORMAT_DUDV8, /* MesaFormat */
+ GL_DUDV_ATI, /* BaseFormat */
+ /* FIXME: spec doesn't say since that parameter didn't exist then,
+ but this should be something like SIGNED_NORMALIZED */
+ GL_UNSIGNED_NORMALIZED_ARB, /* DataType */
+ /* maybe should add dudvBits field, but spec seems to be
+ lacking the ability to query with GetTexLevelParameter anyway */
+ 0, /* RedBits */
+ 0, /* GreenBits */
+ 0, /* BlueBits */
+ 0, /* AlphaBits */
+ 0, /* LuminanceBits */
+ 0, /* IntensityBits */
+ 0, /* IndexBits */
+ 0, /* DepthBits */
+ 0, /* StencilBits */
+ 2, /* TexelBytes */
+ _mesa_texstore_dudv8, /* StoreTexImageFunc */
+ NULL, /* FetchTexel1D */
+ NULL, /* FetchTexel2D */
+ NULL, /* FetchTexel3D */
+ NULL, /* FetchTexel1Df */
+ fetch_texel_2d_dudv8, /* FetchTexel2Df */
+ NULL, /* FetchTexel3Df */
+ NULL /* StoreTexel */
+};
/*@}*/
@@ -1634,6 +1661,16 @@ _mesa_choose_tex_format( GLcontext *ctx, GLint internalFormat,
}
}
+ if (ctx->Extensions.ATI_envmap_bumpmap) {
+ switch (internalFormat) {
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ return &_mesa_texformat_dudv8;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
#if FEATURE_EXT_texture_sRGB
if (ctx->Extensions.EXT_texture_sRGB) {
switch (internalFormat) {
@@ -1778,6 +1815,11 @@ _mesa_format_to_type_and_comps(const struct gl_texture_format *format,
*comps = 1;
return;
+ case MESA_FORMAT_DUDV8:
+ *datatype = GL_BYTE;
+ *comps = 2;
+ return;
+
#if FEATURE_EXT_texture_sRGB
case MESA_FORMAT_SRGB8:
*datatype = GL_UNSIGNED_BYTE;
diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h
index 31364c3..7fa70ad 100644
--- a/src/mesa/main/texformat.h
+++ b/src/mesa/main/texformat.h
@@ -161,7 +161,14 @@ enum _format {
MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32,
MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16,
MESA_FORMAT_INTENSITY_FLOAT32,
- MESA_FORMAT_INTENSITY_FLOAT16
+ MESA_FORMAT_INTENSITY_FLOAT16,
+ /*@}*/
+
+ /**
+ * \name Signed fixed point texture formats.
+ */
+ /*@{*/
+ MESA_FORMAT_DUDV8
/*@}*/
};
@@ -209,6 +216,11 @@ extern const struct gl_texture_format _mesa_texformat_intensity_float32;
extern const struct gl_texture_format _mesa_texformat_intensity_float16;
/*@}*/
+/** Signed fixed point texture formats */
+/*@{*/
+extern const struct gl_texture_format _mesa_texformat_dudv8;
+/*@}*/
+
/** \name Assorted hardware-friendly formats */
/*@{*/
extern const struct gl_texture_format _mesa_texformat_rgba8888;
diff --git a/src/mesa/main/texformat_tmp.h b/src/mesa/main/texformat_tmp.h
index 275340c..f9f9d5b 100644
--- a/src/mesa/main/texformat_tmp.h
+++ b/src/mesa/main/texformat_tmp.h
@@ -1269,7 +1269,7 @@ static void FETCH(sl8)(const struct gl_texture_image *texImage,
texel[RCOMP] =
texel[GCOMP] =
texel[BCOMP] = nonlinear_to_linear(src[0]);
- texel[ACOMP] = CHAN_MAX;
+ texel[ACOMP] = 1.0F;
}
#if DIM == 3
@@ -1308,7 +1308,22 @@ static void store_texel_sla8(struct gl_texture_image *texImage,
#endif /* FEATURE_EXT_texture_sRGB */
+#if DIM == 2
+/* MESA_FORMAT_DUDV8 ********************************************************/
+
+/* this format by definition produces 0,0,0,1 as rgba values,
+ however we'll return the dudv values as rg and fix up elsewhere */
+static void FETCH(dudv8)(const struct gl_texture_image *texImage,
+ GLint i, GLint j, GLint k, GLfloat *texel )
+{
+ const GLbyte *src = TEXEL_ADDR(GLbyte, texImage, i, j, k, 2);
+ texel[RCOMP] = BYTE_TO_FLOAT(src[0]);
+ texel[GCOMP] = BYTE_TO_FLOAT(src[1]);
+ texel[BCOMP] = 0;
+ texel[ACOMP] = 0;
+}
+#endif
/* MESA_FORMAT_YCBCR *********************************************************/
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index e3d4404..2ed7228 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -339,6 +339,17 @@ _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
}
}
+ if (ctx->Extensions.ATI_envmap_bumpmap) {
+ switch (internalFormat) {
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ return GL_DUDV_ATI;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+
if (ctx->Extensions.EXT_packed_depth_stencil) {
switch (internalFormat) {
case GL_DEPTH_STENCIL_EXT:
@@ -568,6 +579,20 @@ is_depthstencil_format(GLenum format)
}
}
+/**
+ * Test if the given image format is a dudv format.
+ */
+static GLboolean
+is_dudv_format(GLenum format)
+{
+ switch (format) {
+ case GL_DUDV_ATI:
+ case GL_DU8DV8_ATI:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
/**
@@ -1539,7 +1564,8 @@ texture_error_check( GLcontext *ctx, GLenum target,
(is_index_format(internalFormat) && !indexFormat) ||
(is_depth_format(internalFormat) != is_depth_format(format)) ||
(is_ycbcr_format(internalFormat) != is_ycbcr_format(format)) ||
- (is_depthstencil_format(internalFormat) != is_depthstencil_format(format))) {
+ (is_depthstencil_format(internalFormat) != is_depthstencil_format(format)) ||
+ (is_dudv_format(internalFormat) != is_dudv_format(format))) {
if (!isProxy)
_mesa_error(ctx, GL_INVALID_OPERATION,
"glTexImage(internalFormat/format)");
@@ -2273,6 +2299,12 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
return;
}
+ if (!ctx->Extensions.ATI_envmap_bumpmap
+ && is_dudv_format(format)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(format)");
+ return;
+ }
+
_mesa_lock_texture(ctx, texObj);
{
texImage = _mesa_select_tex_image(ctx, texObj, target, level);
@@ -2313,6 +2345,11 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
goto out;
}
+ else if (is_dudv_format(format)
+ && !is_dudv_format(texImage->TexFormat->BaseFormat)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexImage(format mismatch)");
+ goto out;
+ }
if (ctx->Pack.BufferObj->Name) {
/* packing texture image into a PBO */
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index d71f953..a5af622 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -95,6 +95,11 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
/* GL_EXT_texture_env_combine */
dst->Texture.Unit[u].Combine = src->Texture.Unit[u].Combine;
+ /* GL_ATI_envmap_bumpmap - need this? */
+ dst->Texture.Unit[u].BumpTarget = src->Texture.Unit[u].BumpTarget;
+ COPY_4V(dst->Texture.Unit[u].RotMatrix, src->Texture.Unit[u].RotMatrix);
+
+
/* copy texture object bindings, not contents of texture objects */
_mesa_lock_context_textures(dst);
@@ -411,6 +416,10 @@ update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit)
case GL_MODULATE_SUBTRACT_ATI:
combine->_NumArgsRGB = 3;
break;
+ case GL_BUMP_ENVMAP_ATI:
+ /* no real arguments for this case */
+ combine->_NumArgsRGB = 0;
+ break;
default:
combine->_NumArgsRGB = 0;
_mesa_problem(ctx, "invalid RGB combine mode in update_texture_state");
@@ -682,6 +691,7 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
texUnit->Combine = default_combine_state;
texUnit->_EnvMode = default_combine_state;
texUnit->_CurrentCombine = & texUnit->_EnvMode;
+ texUnit->BumpTarget = GL_TEXTURE0;
texUnit->TexGenEnabled = 0x0;
texUnit->GenS.Mode = GL_EYE_LINEAR;
@@ -702,6 +712,16 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 );
ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 );
ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenS.ObjectPlane, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenT.ObjectPlane, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenR.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenQ.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenS.EyePlane, 1.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+ ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+ /* no mention of this in spec, but maybe id matrix expected? */
+ ASSIGN_4V( texUnit->RotMatrix, 1.0, 0.0, 0.0, 1.0 );
/* initialize current texture object ptrs to the shared default objects */
for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 6360ca1..cc3c695 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -2471,6 +2471,95 @@ _mesa_texstore_ycbcr(TEXSTORE_PARAMS)
return GL_TRUE;
}
+GLboolean
+_mesa_texstore_dudv8(TEXSTORE_PARAMS)
+{
+ const GLboolean littleEndian = _mesa_little_endian();
+
+ ASSERT(dstFormat == &_mesa_texformat_dudv8);
+ ASSERT(dstFormat->TexelBytes == 2);
+ ASSERT(ctx->Extensions.ATI_envmap_bumpmap);
+ ASSERT((srcFormat == GL_DU8DV8_ATI) ||
+ (srcFormat == GL_DUDV_ATI));
+ ASSERT(baseInternalFormat == GL_DUDV_ATI);
+
+ if (!srcPacking->SwapBytes && srcType == GL_BYTE &&
+ littleEndian) {
+ /* simple memcpy path */
+ memcpy_texture(ctx, dims,
+ dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride,
+ dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcFormat, srcType,
+ srcAddr, srcPacking);
+ }
+ else if (srcType == GL_BYTE) {
+
+ GLubyte dstmap[4];
+
+ /* dstmap - how to swizzle from RGBA to dst format:
+ */
+ if (littleEndian) {
+ dstmap[0] = 0;
+ dstmap[1] = 3;
+ }
+ else {
+ dstmap[0] = 3;
+ dstmap[1] = 0;
+ }
+ dstmap[2] = ZERO; /* ? */
+ dstmap[3] = ONE; /* ? */
+
+ _mesa_swizzle_ubyte_image(ctx, dims,
+ GL_LUMINANCE_ALPHA, /* hack */
+ GL_UNSIGNED_BYTE, /* hack */
+ GL_LUMINANCE_ALPHA, /* hack */
+ dstmap, 2,
+ dstAddr, dstXoffset, dstYoffset, dstZoffset,
+ dstRowStride, dstImageOffsets,
+ srcWidth, srcHeight, srcDepth, srcAddr,
+ srcPacking);
+ }
+ else {
+ /* general path - note this is defined for 2d textures only */
+ const GLint components = _mesa_components_in_format(baseInternalFormat);
+ const GLint srcStride = _mesa_image_row_stride(srcPacking,
+ srcWidth, srcFormat, srcType);
+ GLbyte *tempImage, *dst, *src;
+ GLint row;
+
+ tempImage = (GLbyte *) _mesa_malloc(srcWidth * srcHeight * srcDepth
+ * components * sizeof(GLbyte));
+ if (!tempImage)
+ return GL_FALSE;
+
+ src = (GLbyte *) _mesa_image_address(dims, srcPacking, srcAddr,
+ srcWidth, srcHeight,
+ srcFormat, srcType,
+ 0, 0, 0);
+
+ dst = tempImage;
+ for (row = 0; row < srcHeight; row++) {
+ _mesa_unpack_dudv_span_byte(ctx, srcWidth, baseInternalFormat,
+ dst, srcFormat, srcType, src,
+ srcPacking, 0);
+ dst += srcWidth * components;
+ src += srcStride;
+ }
+
+ src = tempImage;
+ dst = (GLbyte *) dstAddr
+ + dstYoffset * dstRowStride
+ + dstXoffset * dstFormat->TexelBytes;
+ for (row = 0; row < srcHeight; row++) {
+ memcpy(dst, src, srcWidth * dstFormat->TexelBytes);
+ dst += dstRowStride;
+ src += srcWidth * dstFormat->TexelBytes;
+ }
+ _mesa_free((void *) tempImage);
+ }
+ return GL_TRUE;
+}
/**
@@ -3882,7 +3971,7 @@ _mesa_get_teximage(GLcontext *ctx, GLenum target, GLint level,
GLint col;
GLbitfield transferOps = 0x0;
- if (type == GL_FLOAT &&
+ if (type == GL_FLOAT && texImage->TexFormat->BaseFormat != GL_DUDV_ATI &&
((ctx->Color.ClampReadColor == GL_TRUE) ||
(ctx->Color.ClampReadColor == GL_FIXED_ONLY_ARB &&
texImage->TexFormat->DataType != GL_FLOAT)))
diff --git a/src/mesa/main/texstore.h b/src/mesa/main/texstore.h
index b03386b..c9e639b 100644
--- a/src/mesa/main/texstore.h
+++ b/src/mesa/main/texstore.h
@@ -78,7 +78,7 @@ extern GLboolean _mesa_texstore_sargb8(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_sl8(TEXSTORE_PARAMS);
extern GLboolean _mesa_texstore_sla8(TEXSTORE_PARAMS);
#endif
-
+extern GLboolean _mesa_texstore_dudv8(TEXSTORE_PARAMS);
extern GLchan *
_mesa_make_temp_chan_image(GLcontext *ctx, GLuint dims,
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c
index 1f7d87c..f51d9e2 100644
--- a/src/mesa/shader/prog_statevars.c
+++ b/src/mesa/shader/prog_statevars.c
@@ -506,6 +506,26 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
}
}
return;
+ case STATE_ROT_MATRIX_0:
+ {
+ const int unit = (int) state[2];
+ GLfloat *rotMat22 = ctx->Texture.Unit[unit].RotMatrix;
+ value[0] = rotMat22[0];
+ value[1] = rotMat22[2];
+ value[2] = 0.0;
+ value[3] = 0.0;
+ }
+ break;
+ case STATE_ROT_MATRIX_1:
+ {
+ const int unit = (int) state[2];
+ GLfloat *rotMat22 = ctx->Texture.Unit[unit].RotMatrix;
+ value[0] = rotMat22[1];
+ value[1] = rotMat22[3];
+ value[2] = 0.0;
+ value[3] = 0.0;
+ }
+ break;
/* XXX: make sure new tokens added here are also handled in the
* _mesa_program_state_flags() switch, below.
@@ -591,6 +611,8 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
case STATE_TEXRECT_SCALE:
case STATE_SHADOW_AMBIENT:
+ case STATE_ROT_MATRIX_0:
+ case STATE_ROT_MATRIX_1:
return _NEW_TEXTURE;
case STATE_FOG_PARAMS_OPTIMIZED:
return _NEW_FOG;
@@ -806,6 +828,12 @@ append_token(char *dst, gl_state_index k)
case STATE_SHADOW_AMBIENT:
append(dst, "CompareFailValue");
break;
+ case STATE_ROT_MATRIX_0:
+ append(dst, "rotMatrixRow0");
+ break;
+ case STATE_ROT_MATRIX_1:
+ append(dst, "rotMatrixRow1");
+ break;
default:
/* probably STATE_INTERNAL_DRIVER+i (driver private state) */
append(dst, "driverState");
diff --git a/src/mesa/shader/prog_statevars.h b/src/mesa/shader/prog_statevars.h
index d5358a1..d563080 100644
--- a/src/mesa/shader/prog_statevars.h
+++ b/src/mesa/shader/prog_statevars.h
@@ -117,6 +117,8 @@ typedef enum gl_state_index_ {
STATE_PCM_SCALE, /**< Post color matrix RGBA scale */
STATE_PCM_BIAS, /**< Post color matrix RGBA bias */
STATE_SHADOW_AMBIENT, /**< ARB_shadow_ambient fail value; token[2] is texture unit index */
+ STATE_ROT_MATRIX_0, /**< ATI_envmap_bumpmap, rot matrix row 0 */
+ STATE_ROT_MATRIX_1, /**< ATI_envmap_bumpmap, rot matrix row 1 */
STATE_INTERNAL_DRIVER /* first available state index for drivers (must be last) */
} gl_state_index;
diff --git a/src/mesa/swrast/s_texcombine.c b/src/mesa/swrast/s_texcombine.c
index 38b5633..aa28311 100644
--- a/src/mesa/swrast/s_texcombine.c
+++ b/src/mesa/swrast/s_texcombine.c
@@ -591,6 +591,25 @@ texture_combine( const GLcontext *ctx, GLuint unit, GLuint n,
}
}
break;
+ case GL_BUMP_ENVMAP_ATI:
+ {
+ /* this produces a fixed rgba color, and the coord calc is done elsewhere */
+ for (i = 0; i < n; i++) {
+ /* rgba result is 0,0,0,1 */
+#if CHAN_TYPE == GL_FLOAT
+ rgba[i][RCOMP] = 0.0;
+ rgba[i][GCOMP] = 0.0;
+ rgba[i][BCOMP] = 0.0;
+ rgba[i][ACOMP] = 1.0;
+#else
+ rgba[i][RCOMP] = 0;
+ rgba[i][GCOMP] = 0;
+ rgba[i][BCOMP] = 0;
+ rgba[i][ACOMP] = CHAN_MAX;
+#endif
+ }
+ }
+ return; /* no alpha processing */
default:
_mesa_problem(ctx, "invalid combine mode");
}
@@ -1218,12 +1237,86 @@ _swrast_texture_span( GLcontext *ctx, SWspan *span )
if (swrast->_AnyTextureCombine)
MEMCPY(primary_rgba, span->array->rgba, 4 * span->end * sizeof(GLchan));
+ /* First must sample all bump maps */
+ for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
+ if (ctx->Texture.Unit[unit]._ReallyEnabled &&
+ ctx->Texture.Unit[unit]._CurrentCombine->ModeRGB == GL_BUMP_ENVMAP_ATI) {
+ const GLfloat (*texcoords)[4]
+ = (const GLfloat (*)[4])
+ span->array->attribs[FRAG_ATTRIB_TEX0 + unit];
+ GLfloat (*targetcoords)[4]
+ = (GLfloat (*)[4])
+ span->array->attribs[FRAG_ATTRIB_TEX0 +
+ ctx->Texture.Unit[unit].BumpTarget - GL_TEXTURE0];
+
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ const struct gl_texture_object *curObj = texUnit->_Current;
+ GLfloat *lambda = span->array->lambda[unit];
+ GLchan (*texels)[4] = (GLchan (*)[4])
+ (swrast->TexelBuffer + unit * (span->end * 4 * sizeof(GLchan)));
+ GLuint i;
+ GLfloat rotMatrix00 = ctx->Texture.Unit[unit].RotMatrix[0];
+ GLfloat rotMatrix01 = ctx->Texture.Unit[unit].RotMatrix[1];
+ GLfloat rotMatrix10 = ctx->Texture.Unit[unit].RotMatrix[2];
+ GLfloat rotMatrix11 = ctx->Texture.Unit[unit].RotMatrix[3];
+
+ /* adjust texture lod (lambda) */
+ if (span->arrayMask & SPAN_LAMBDA) {
+ if (texUnit->LodBias + curObj->LodBias != 0.0F) {
+ /* apply LOD bias, but don't clamp yet */
+ const GLfloat bias = CLAMP(texUnit->LodBias + curObj->LodBias,
+ -ctx->Const.MaxTextureLodBias,
+ ctx->Const.MaxTextureLodBias);
+ GLuint i;
+ for (i = 0; i < span->end; i++) {
+ lambda[i] += bias;
+ }
+ }
+
+ if (curObj->MinLod != -1000.0 || curObj->MaxLod != 1000.0) {
+ /* apply LOD clamping to lambda */
+ const GLfloat min = curObj->MinLod;
+ const GLfloat max = curObj->MaxLod;
+ GLuint i;
+ for (i = 0; i < span->end; i++) {
+ GLfloat l = lambda[i];
+ lambda[i] = CLAMP(l, min, max);
+ }
+ }
+ }
+
+ /* Sample the texture (span->end = number of fragments) */
+ swrast->TextureSample[unit]( ctx, texUnit->_Current, span->end,
+ texcoords, lambda, texels );
+
+ /* manipulate the span values of the bump target
+ not sure this can work correctly even ignoring
+ the problem that channel is unsigned */
+ for (i = 0; i < span->end; i++) {
+#if CHAN_TYPE == GL_FLOAT
+ targetcoords[i][0] += (texels[i][0] * rotMatrix00 + texels[i][1] *
+ rotMatrix01) / targetcoords[i][3];
+ targetcoords[i][1] += (texels[i][0] * rotMatrix10 + texels[i][1] *
+ rotMatrix11) / targetcoords[i][3];
+#else
+ targetcoords[i][0] += (CHAN_TO_FLOAT(texels[i][1]) * rotMatrix00 +
+ CHAN_TO_FLOAT(texels[i][1]) * rotMatrix01) /
+ targetcoords[i][3];
+ targetcoords[i][1] += (CHAN_TO_FLOAT(texels[i][0]) * rotMatrix10 +
+ CHAN_TO_FLOAT(texels[i][1]) * rotMatrix11) /
+ targetcoords[i][3];
+#endif
+ }
+ }
+ }
+
/*
* Must do all texture sampling before combining in order to
* accomodate GL_ARB_texture_env_crossbar.
*/
for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++) {
- if (ctx->Texture.Unit[unit]._ReallyEnabled) {
+ if (ctx->Texture.Unit[unit]._ReallyEnabled &&
+ ctx->Texture.Unit[unit]._CurrentCombine->ModeRGB != GL_BUMP_ENVMAP_ATI) {
const GLfloat (*texcoords)[4]
= (const GLfloat (*)[4])
span->array->attribs[FRAG_ATTRIB_TEX0 + unit];