diff options
Diffstat (limited to 'xc/extras/Mesa/src/tnl/t_array_api.c')
-rw-r--r-- | xc/extras/Mesa/src/tnl/t_array_api.c | 114 |
1 files changed, 64 insertions, 50 deletions
diff --git a/xc/extras/Mesa/src/tnl/t_array_api.c b/xc/extras/Mesa/src/tnl/t_array_api.c index 060203b81..60744a2d7 100644 --- a/xc/extras/Mesa/src/tnl/t_array_api.c +++ b/xc/extras/Mesa/src/tnl/t_array_api.c @@ -1,8 +1,7 @@ -/* $Id: t_array_api.c,v 1.1.1.1 2002/10/22 13:06:23 alanh Exp $ */ /* * Mesa 3-D graphics library - * Version: 4.0.3 + * Version: 4.1 * * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. * @@ -22,19 +21,22 @@ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Keith Whitwell <keithw@valinux.com> + */ + +/** + * \file vpexec.c + * \brief Vertex array API functions (glDrawArrays, etc) + * \author Keith Whitwell */ #include "glheader.h" #include "api_validate.h" #include "context.h" +#include "imports.h" #include "macros.h" #include "mmath.h" -#include "mem.h" -#include "state.h" #include "mtypes.h" +#include "state.h" #include "array_cache/acache.h" @@ -77,7 +79,7 @@ static void _tnl_draw_range_elements( GLcontext *ctx, GLenum mode, TNLcontext *tnl = TNL_CONTEXT(ctx); FLUSH_CURRENT( ctx, 0 ); - /* fprintf(stderr, "%s\n", __FUNCTION__); */ + /* _mesa_debug(ctx, "%s\n", __FUNCTION__); */ if (tnl->pipeline.build_state_changes) _tnl_validate_pipeline( ctx ); @@ -101,7 +103,9 @@ static void _tnl_draw_range_elements( GLcontext *ctx, GLenum mode, - +/** + * Called via the GL API dispatcher. + */ void _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) { @@ -111,7 +115,7 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) GLuint thresh = (ctx->Driver.NeedFlush & FLUSH_STORED_VERTICES) ? 30 : 10; if (MESA_VERBOSE & VERBOSE_API) - fprintf(stderr, "_tnl_DrawArrays %d %d\n", start, count); + _mesa_debug(NULL, "_tnl_DrawArrays %d %d\n", start, count); /* Check arguments, etc. */ @@ -130,43 +134,28 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) */ fallback_drawarrays( ctx, mode, start, start + count ); } - else if (count < (GLint) ctx->Const.MaxArrayLockSize) { - /* Moderate primitives which can fit in a single vertex buffer: + else if (ctx->Array.LockCount && + count < (GLint) ctx->Const.MaxArrayLockSize) { + + /* Locked primitives which can fit in a single vertex buffer: */ FLUSH_CURRENT( ctx, 0 ); - if (ctx->Array.LockCount) - { - if (start < (GLint) ctx->Array.LockFirst) - start = ctx->Array.LockFirst; - if (start + count > (GLint) ctx->Array.LockCount) - count = ctx->Array.LockCount - start; - - /* Locked drawarrays. Reuse any previously transformed data. - */ - _tnl_vb_bind_arrays( ctx, ctx->Array.LockFirst, ctx->Array.LockCount ); - VB->FirstPrimitive = start; - VB->Primitive[start] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST; - VB->PrimitiveLength[start] = count; - tnl->Driver.RunPipeline( ctx ); - } else { - /* The arrays are small enough to fit in a single VB; just bind - * them and go. Any untransformed data will be copied on - * clipping. - * - * Invalidate any cached data dependent on these arrays. - */ - _tnl_vb_bind_arrays( ctx, start, start + count ); - VB->FirstPrimitive = 0; - VB->Primitive[0] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST; - VB->PrimitiveLength[0] = count; - tnl->pipeline.run_input_changes |= ctx->Array._Enabled; - tnl->Driver.RunPipeline( ctx ); - tnl->pipeline.run_input_changes |= ctx->Array._Enabled; - } - } + if (start < (GLint) ctx->Array.LockFirst) + start = ctx->Array.LockFirst; + if (start + count > (GLint) ctx->Array.LockCount) + count = ctx->Array.LockCount - start; + + /* Locked drawarrays. Reuse any previously transformed data. + */ + _tnl_vb_bind_arrays( ctx, ctx->Array.LockFirst, ctx->Array.LockCount ); + VB->FirstPrimitive = start; + VB->Primitive[start] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST; + VB->PrimitiveLength[start] = count; + tnl->Driver.RunPipeline( ctx ); + } else { - int bufsz = 256; /* use a small buffer for cache goodness */ + int bufsz = 256; /* Use a small buffer for cache goodness */ int j, nr; int minimum, modulo, skip; @@ -178,10 +167,12 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) minimum = 0; modulo = 1; skip = 0; + break; case GL_LINES: minimum = 1; modulo = 2; skip = 1; + break; case GL_LINE_STRIP: minimum = 1; modulo = 1; @@ -212,10 +203,19 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) case GL_POLYGON: default: /* Primitives requiring a copied vertex (fan-like primitives) - * must use the slow path: + * must use the slow path if they cannot fit in a single + * vertex buffer. */ - fallback_drawarrays( ctx, mode, start, start + count ); - return; + if (count < (GLint) ctx->Const.MaxArrayLockSize) { + bufsz = ctx->Const.MaxArrayLockSize; + minimum = 0; + modulo = 1; + skip = 0; + } + else { + fallback_drawarrays( ctx, mode, start, start + count ); + return; + } } FLUSH_CURRENT( ctx, 0 ); @@ -241,6 +241,9 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count) } +/** + * Called via the GL API dispatcher. + */ void _tnl_DrawRangeElements(GLenum mode, GLuint start, GLuint end, @@ -250,7 +253,7 @@ _tnl_DrawRangeElements(GLenum mode, GLuint *ui_indices; if (MESA_VERBOSE & VERBOSE_API) - fprintf(stderr, "_tnl_DrawRangeElements %d %d %d\n", start, end, count); + _mesa_debug(NULL, "_tnl_DrawRangeElements %d %d %d\n", start, end, count); /* Check arguments, etc. */ @@ -306,6 +309,9 @@ _tnl_DrawRangeElements(GLenum mode, +/** + * Called via the GL API dispatcher. + */ void _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) @@ -314,7 +320,7 @@ _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type, GLuint *ui_indices; if (MESA_VERBOSE & VERBOSE_API) - fprintf(stderr, "_tnl_DrawElements %d\n", count); + _mesa_debug(NULL, "_tnl_DrawElements %d\n", count); /* Check arguments, etc. */ @@ -354,6 +360,10 @@ _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type, } +/** + * Initialize context's vertex array fields. Called during T 'n L context + * creation. + */ void _tnl_array_init( GLcontext *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); @@ -368,8 +378,8 @@ void _tnl_array_init( GLcontext *ctx ) /* Setup vector pointers that will be used to bind arrays to VB's. */ _mesa_vector4f_init( &tmp->Obj, 0, 0 ); - _mesa_vector3f_init( &tmp->Normal, 0, 0 ); - _mesa_vector1f_init( &tmp->FogCoord, 0, 0 ); + _mesa_vector4f_init( &tmp->Normal, 0, 0 ); + _mesa_vector4f_init( &tmp->FogCoord, 0, 0 ); _mesa_vector1ui_init( &tmp->Index, 0, 0 ); _mesa_vector1ub_init( &tmp->EdgeFlag, 0, 0 ); @@ -381,6 +391,10 @@ void _tnl_array_init( GLcontext *ctx ) } +/** + * Destroy the context's vertex array stuff. + * Called during T 'n L context destruction. + */ void _tnl_array_destroy( GLcontext *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); |