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path: root/src/mesa/swrast/s_triangle.c
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Diffstat (limited to 'src/mesa/swrast/s_triangle.c')
-rw-r--r--src/mesa/swrast/s_triangle.c193
1 files changed, 100 insertions, 93 deletions
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c
index 1ab0e19f922..d80a6761f40 100644
--- a/src/mesa/swrast/s_triangle.c
+++ b/src/mesa/swrast/s_triangle.c
@@ -134,22 +134,24 @@ _swrast_culltriangle( GLcontext *ctx,
#define SETUP_CODE \
struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; \
- struct gl_texture_object *obj = \
+ const struct gl_texture_object *obj = \
ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
- const GLint b = obj->BaseLevel; \
- const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
- const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
- const GLint twidth_log2 = obj->Image[0][b]->WidthLog2; \
- const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \
- const GLint smask = obj->Image[0][b]->Width - 1; \
- const GLint tmask = obj->Image[0][b]->Height - 1; \
+ const struct gl_texture_image *texImg = \
+ obj->Image[0][obj->BaseLevel]; \
+ const GLfloat twidth = (GLfloat) texImg->Width; \
+ const GLfloat theight = (GLfloat) texImg->Height; \
+ const GLint twidth_log2 = texImg->WidthLog2; \
+ const GLubyte *texture = (const GLubyte *) texImg->Data; \
+ const GLint smask = texImg->Width - 1; \
+ const GLint tmask = texImg->Height - 1; \
+ ASSERT(texImg->TexFormat == MESA_FORMAT_RGB888); \
if (!rb || !texture) { \
return; \
}
#define RENDER_SPAN( span ) \
GLuint i; \
- GLchan rgb[MAX_WIDTH][3]; \
+ GLubyte rgb[MAX_WIDTH][3]; \
span.intTex[0] -= FIXED_HALF; /* off-by-one error? */ \
span.intTex[1] -= FIXED_HALF; \
for (i = 0; i < span.end; i++) { \
@@ -157,9 +159,9 @@ _swrast_culltriangle( GLcontext *ctx,
GLint t = FixedToInt(span.intTex[1]) & tmask; \
GLint pos = (t << twidth_log2) + s; \
pos = pos + pos + pos; /* multiply by 3 */ \
- rgb[i][RCOMP] = texture[pos]; \
+ rgb[i][RCOMP] = texture[pos+2]; \
rgb[i][GCOMP] = texture[pos+1]; \
- rgb[i][BCOMP] = texture[pos+2]; \
+ rgb[i][BCOMP] = texture[pos+0]; \
span.intTex[0] += span.intTexStep[0]; \
span.intTex[1] += span.intTexStep[1]; \
} \
@@ -186,22 +188,24 @@ _swrast_culltriangle( GLcontext *ctx,
#define SETUP_CODE \
struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0]; \
- struct gl_texture_object *obj = \
+ const struct gl_texture_object *obj = \
ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
- const GLint b = obj->BaseLevel; \
- const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
- const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
- const GLint twidth_log2 = obj->Image[0][b]->WidthLog2; \
- const GLchan *texture = (const GLchan *) obj->Image[0][b]->Data; \
- const GLint smask = obj->Image[0][b]->Width - 1; \
- const GLint tmask = obj->Image[0][b]->Height - 1; \
+ const struct gl_texture_image *texImg = \
+ obj->Image[0][obj->BaseLevel]; \
+ const GLfloat twidth = (GLfloat) texImg->Width; \
+ const GLfloat theight = (GLfloat) texImg->Height; \
+ const GLint twidth_log2 = texImg->WidthLog2; \
+ const GLubyte *texture = (const GLubyte *) texImg->Data; \
+ const GLint smask = texImg->Width - 1; \
+ const GLint tmask = texImg->Height - 1; \
+ ASSERT(texImg->TexFormat == MESA_FORMAT_RGB888); \
if (!rb || !texture) { \
return; \
}
#define RENDER_SPAN( span ) \
GLuint i; \
- GLchan rgb[MAX_WIDTH][3]; \
+ GLubyte rgb[MAX_WIDTH][3]; \
span.intTex[0] -= FIXED_HALF; /* off-by-one error? */ \
span.intTex[1] -= FIXED_HALF; \
for (i = 0; i < span.end; i++) { \
@@ -211,9 +215,9 @@ _swrast_culltriangle( GLcontext *ctx,
GLint t = FixedToInt(span.intTex[1]) & tmask; \
GLint pos = (t << twidth_log2) + s; \
pos = pos + pos + pos; /* multiply by 3 */ \
- rgb[i][RCOMP] = texture[pos]; \
+ rgb[i][RCOMP] = texture[pos+2]; \
rgb[i][GCOMP] = texture[pos+1]; \
- rgb[i][BCOMP] = texture[pos+2]; \
+ rgb[i][BCOMP] = texture[pos+0]; \
zRow[i] = z; \
span.array->mask[i] = 1; \
} \
@@ -276,25 +280,29 @@ affine_span(GLcontext *ctx, SWspan *span,
* unused variables (for instance tf,sf,ti,si in case of GL_NEAREST).
*/
-#define NEAREST_RGB \
- sample[RCOMP] = tex00[RCOMP]; \
- sample[GCOMP] = tex00[GCOMP]; \
- sample[BCOMP] = tex00[BCOMP]; \
- sample[ACOMP] = CHAN_MAX
+#define NEAREST_RGB \
+ sample[RCOMP] = tex00[2]; \
+ sample[GCOMP] = tex00[1]; \
+ sample[BCOMP] = tex00[0]; \
+ sample[ACOMP] = CHAN_MAX;
#define LINEAR_RGB \
- sample[RCOMP] = ilerp_2d(sf, tf, tex00[0], tex01[0], tex10[0], tex11[0]);\
+ sample[RCOMP] = ilerp_2d(sf, tf, tex00[2], tex01[2], tex10[2], tex11[2]);\
sample[GCOMP] = ilerp_2d(sf, tf, tex00[1], tex01[1], tex10[1], tex11[1]);\
- sample[BCOMP] = ilerp_2d(sf, tf, tex00[2], tex01[2], tex10[2], tex11[2]);\
+ sample[BCOMP] = ilerp_2d(sf, tf, tex00[0], tex01[0], tex10[0], tex11[0]);\
sample[ACOMP] = CHAN_MAX;
-#define NEAREST_RGBA COPY_CHAN4(sample, tex00)
+#define NEAREST_RGBA \
+ sample[RCOMP] = tex00[3]; \
+ sample[GCOMP] = tex00[2]; \
+ sample[BCOMP] = tex00[1]; \
+ sample[ACOMP] = tex00[0];
#define LINEAR_RGBA \
- sample[RCOMP] = ilerp_2d(sf, tf, tex00[0], tex01[0], tex10[0], tex11[0]);\
- sample[GCOMP] = ilerp_2d(sf, tf, tex00[1], tex01[1], tex10[1], tex11[1]);\
- sample[BCOMP] = ilerp_2d(sf, tf, tex00[2], tex01[2], tex10[2], tex11[2]);\
- sample[ACOMP] = ilerp_2d(sf, tf, tex00[3], tex01[3], tex10[3], tex11[3])
+ sample[RCOMP] = ilerp_2d(sf, tf, tex00[3], tex01[3], tex10[3], tex11[3]);\
+ sample[GCOMP] = ilerp_2d(sf, tf, tex00[2], tex01[2], tex10[2], tex11[2]);\
+ sample[BCOMP] = ilerp_2d(sf, tf, tex00[1], tex01[1], tex10[1], tex11[1]);\
+ sample[ACOMP] = ilerp_2d(sf, tf, tex00[0], tex01[0], tex10[0], tex11[0])
#define MODULATE \
dest[RCOMP] = span->red * (sample[RCOMP] + 1u) >> (FIXED_SHIFT + 8); \
@@ -345,7 +353,11 @@ affine_span(GLcontext *ctx, SWspan *span,
dest[2] = sample[2]; \
dest[3] = FixedToInt(span->alpha);
-#define NEAREST_RGBA_REPLACE COPY_CHAN4(dest, tex00)
+#define NEAREST_RGBA_REPLACE \
+ dest[RCOMP] = tex00[3]; \
+ dest[GCOMP] = tex00[2]; \
+ dest[BCOMP] = tex00[1]; \
+ dest[ACOMP] = tex00[0]
#define SPAN_NEAREST(DO_TEX, COMPS) \
for (i = 0; i < span->end; i++) { \
@@ -406,7 +418,7 @@ affine_span(GLcontext *ctx, SWspan *span,
switch (info->filter) {
case GL_NEAREST:
switch (info->format) {
- case GL_RGB:
+ case MESA_FORMAT_RGB888:
switch (info->envmode) {
case GL_MODULATE:
SPAN_NEAREST(NEAREST_RGB;MODULATE,3);
@@ -426,7 +438,7 @@ affine_span(GLcontext *ctx, SWspan *span,
return;
}
break;
- case GL_RGBA:
+ case MESA_FORMAT_RGBA8888:
switch(info->envmode) {
case GL_MODULATE:
SPAN_NEAREST(NEAREST_RGBA;MODULATE,4);
@@ -455,7 +467,7 @@ affine_span(GLcontext *ctx, SWspan *span,
span->intTex[0] -= FIXED_HALF;
span->intTex[1] -= FIXED_HALF;
switch (info->format) {
- case GL_RGB:
+ case MESA_FORMAT_RGB888:
switch (info->envmode) {
case GL_MODULATE:
SPAN_LINEAR(LINEAR_RGB;MODULATE,3);
@@ -475,7 +487,7 @@ affine_span(GLcontext *ctx, SWspan *span,
return;
}
break;
- case GL_RGBA:
+ case MESA_FORMAT_RGBA8888:
switch (info->envmode) {
case GL_MODULATE:
SPAN_LINEAR(LINEAR_RGBA;MODULATE,4);
@@ -528,16 +540,17 @@ affine_span(GLcontext *ctx, SWspan *span,
#define SETUP_CODE \
struct affine_info info; \
struct gl_texture_unit *unit = ctx->Texture.Unit+0; \
- struct gl_texture_object *obj = \
+ const struct gl_texture_object *obj = \
ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
- const GLint b = obj->BaseLevel; \
- const GLfloat twidth = (GLfloat) obj->Image[0][b]->Width; \
- const GLfloat theight = (GLfloat) obj->Image[0][b]->Height; \
- info.texture = (const GLchan *) obj->Image[0][b]->Data; \
- info.twidth_log2 = obj->Image[0][b]->WidthLog2; \
- info.smask = obj->Image[0][b]->Width - 1; \
- info.tmask = obj->Image[0][b]->Height - 1; \
- info.format = obj->Image[0][b]->_BaseFormat; \
+ const struct gl_texture_image *texImg = \
+ obj->Image[0][obj->BaseLevel]; \
+ const GLfloat twidth = (GLfloat) texImg->Width; \
+ const GLfloat theight = (GLfloat) texImg->Height; \
+ info.texture = (const GLchan *) texImg->Data; \
+ info.twidth_log2 = texImg->WidthLog2; \
+ info.smask = texImg->Width - 1; \
+ info.tmask = texImg->Height - 1; \
+ info.format = texImg->TexFormat; \
info.filter = obj->MinFilter; \
info.envmode = unit->EnvMode; \
span.arrayMask |= SPAN_RGBA; \
@@ -555,25 +568,17 @@ affine_span(GLcontext *ctx, SWspan *span,
} \
\
switch (info.format) { \
- case GL_ALPHA: \
- case GL_LUMINANCE: \
- case GL_INTENSITY: \
- info.tbytesline = obj->Image[0][b]->Width; \
- break; \
- case GL_LUMINANCE_ALPHA: \
- info.tbytesline = obj->Image[0][b]->Width * 2; \
+ case MESA_FORMAT_RGB888: \
+ info.tbytesline = texImg->Width * 3; \
break; \
- case GL_RGB: \
- info.tbytesline = obj->Image[0][b]->Width * 3; \
- break; \
- case GL_RGBA: \
- info.tbytesline = obj->Image[0][b]->Width * 4; \
+ case MESA_FORMAT_RGBA8888: \
+ info.tbytesline = texImg->Width * 4; \
break; \
default: \
_mesa_problem(NULL, "Bad texture format in affine_texture_triangle");\
return; \
} \
- info.tsize = obj->Image[0][b]->Height * info.tbytesline;
+ info.tsize = texImg->Height * info.tbytesline;
#define RENDER_SPAN( span ) affine_span(ctx, &span, &info);
@@ -680,7 +685,7 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
switch (info->filter) {
case GL_NEAREST:
switch (info->format) {
- case GL_RGB:
+ case MESA_FORMAT_RGB888:
switch (info->envmode) {
case GL_MODULATE:
SPAN_NEAREST(NEAREST_RGB;MODULATE,3);
@@ -700,7 +705,7 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
return;
}
break;
- case GL_RGBA:
+ case MESA_FORMAT_RGBA8888:
switch(info->envmode) {
case GL_MODULATE:
SPAN_NEAREST(NEAREST_RGBA;MODULATE,4);
@@ -727,7 +732,7 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
case GL_LINEAR:
switch (info->format) {
- case GL_RGB:
+ case MESA_FORMAT_RGB888:
switch (info->envmode) {
case GL_MODULATE:
SPAN_LINEAR(LINEAR_RGB;MODULATE,3);
@@ -747,7 +752,7 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
return;
}
break;
- case GL_RGBA:
+ case MESA_FORMAT_RGBA8888:
switch (info->envmode) {
case GL_MODULATE:
SPAN_LINEAR(LINEAR_RGBA;MODULATE,4);
@@ -799,14 +804,15 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
#define SETUP_CODE \
struct persp_info info; \
const struct gl_texture_unit *unit = ctx->Texture.Unit+0; \
- struct gl_texture_object *obj = \
+ const struct gl_texture_object *obj = \
ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX]; \
- const GLint b = obj->BaseLevel; \
- info.texture = (const GLchan *) obj->Image[0][b]->Data; \
- info.twidth_log2 = obj->Image[0][b]->WidthLog2; \
- info.smask = obj->Image[0][b]->Width - 1; \
- info.tmask = obj->Image[0][b]->Height - 1; \
- info.format = obj->Image[0][b]->_BaseFormat; \
+ const struct gl_texture_image *texImg = \
+ obj->Image[0][obj->BaseLevel]; \
+ info.texture = (const GLchan *) texImg->Data; \
+ info.twidth_log2 = texImg->WidthLog2; \
+ info.smask = texImg->Width - 1; \
+ info.tmask = texImg->Height - 1; \
+ info.format = texImg->TexFormat; \
info.filter = obj->MinFilter; \
info.envmode = unit->EnvMode; \
\
@@ -823,25 +829,17 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
} \
\
switch (info.format) { \
- case GL_ALPHA: \
- case GL_LUMINANCE: \
- case GL_INTENSITY: \
- info.tbytesline = obj->Image[0][b]->Width; \
- break; \
- case GL_LUMINANCE_ALPHA: \
- info.tbytesline = obj->Image[0][b]->Width * 2; \
- break; \
- case GL_RGB: \
- info.tbytesline = obj->Image[0][b]->Width * 3; \
+ case MESA_FORMAT_RGB888: \
+ info.tbytesline = texImg->Width * 3; \
break; \
- case GL_RGBA: \
- info.tbytesline = obj->Image[0][b]->Width * 4; \
+ case MESA_FORMAT_RGBA8888: \
+ info.tbytesline = texImg->Width * 4; \
break; \
default: \
_mesa_problem(NULL, "Bad texture format in persp_textured_triangle");\
return; \
} \
- info.tsize = obj->Image[0][b]->Height * info.tbytesline;
+ info.tsize = texImg->Height * info.tbytesline;
#define RENDER_SPAN( span ) \
span.interpMask &= ~SPAN_RGBA; \
@@ -883,7 +881,7 @@ fast_persp_span(GLcontext *ctx, SWspan *span,
return; \
}
#define RENDER_SPAN( span ) \
- if (rb->DepthBits <= 16) { \
+ if (rb->Format == MESA_FORMAT_Z16) { \
GLuint i; \
const GLushort *zRow = (const GLushort *) \
rb->GetPointer(ctx, rb, span.x, span.y); \
@@ -1055,19 +1053,20 @@ _swrast_choose_triangle( GLcontext *ctx )
const struct gl_texture_object *texObj2D;
const struct gl_texture_image *texImg;
GLenum minFilter, magFilter, envMode;
- GLint format;
+ gl_format format;
texObj2D = ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];
texImg = texObj2D ? texObj2D->Image[0][texObj2D->BaseLevel] : NULL;
- format = texImg ? texImg->TexFormat->MesaFormat : -1;
- minFilter = texObj2D ? texObj2D->MinFilter : (GLenum) 0;
- magFilter = texObj2D ? texObj2D->MagFilter : (GLenum) 0;
+ format = texImg ? texImg->TexFormat : MESA_FORMAT_NONE;
+ minFilter = texObj2D ? texObj2D->MinFilter : GL_NONE;
+ magFilter = texObj2D ? texObj2D->MagFilter : GL_NONE;
envMode = ctx->Texture.Unit[0].EnvMode;
/* First see if we can use an optimized 2-D texture function */
if (ctx->Texture._EnabledCoordUnits == 0x1
&& !ctx->FragmentProgram._Current
&& !ctx->ATIFragmentShader._Enabled
+ && ctx->Texture._EnabledUnits == 0x1
&& ctx->Texture.Unit[0]._ReallyEnabled == TEXTURE_2D_BIT
&& texObj2D->WrapS == GL_REPEAT
&& texObj2D->WrapT == GL_REPEAT
@@ -1075,7 +1074,7 @@ _swrast_choose_triangle( GLcontext *ctx )
&& texImg->_IsPowerOfTwo
&& texImg->Border == 0
&& texImg->Width == texImg->RowStride
- && (format == MESA_FORMAT_RGB || format == MESA_FORMAT_RGBA)
+ && (format == MESA_FORMAT_RGB888 || format == MESA_FORMAT_RGBA8888)
&& minFilter == magFilter
&& ctx->Light.Model.ColorControl == GL_SINGLE_COLOR
&& !swrast->_FogEnabled
@@ -1083,7 +1082,7 @@ _swrast_choose_triangle( GLcontext *ctx )
&& ctx->Texture.Unit[0].EnvMode != GL_COMBINE4_NV) {
if (ctx->Hint.PerspectiveCorrection==GL_FASTEST) {
if (minFilter == GL_NEAREST
- && format == MESA_FORMAT_RGB
+ && format == MESA_FORMAT_RGB888
&& (envMode == GL_REPLACE || envMode == GL_DECAL)
&& ((swrast->_RasterMask == (DEPTH_BIT | TEXTURE_BIT)
&& ctx->Depth.Func == GL_LESS
@@ -1102,7 +1101,15 @@ _swrast_choose_triangle( GLcontext *ctx )
#if CHAN_BITS != 8
USE(general_triangle);
#else
- USE(affine_textured_triangle);
+ if (format == MESA_FORMAT_RGBA8888 && !_mesa_little_endian()) {
+ /* We only handle RGBA8888 correctly on little endian
+ * in the optimized code above.
+ */
+ USE(general_triangle);
+ }
+ else {
+ USE(affine_textured_triangle);
+ }
#endif
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-26 19:36:02 +0000