summaryrefslogtreecommitdiffstats
path: root/src/mesa/tnl/t_array_api.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/tnl/t_array_api.c')
-rw-r--r--src/mesa/tnl/t_array_api.c432
1 files changed, 0 insertions, 432 deletions
diff --git a/src/mesa/tnl/t_array_api.c b/src/mesa/tnl/t_array_api.c
deleted file mode 100644
index 6826cf7e24c..00000000000
--- a/src/mesa/tnl/t_array_api.c
+++ /dev/null
@@ -1,432 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.2
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * 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.
- */
-
-/**
- * \file t_array_api.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 "mtypes.h"
-#include "state.h"
-
-#include "array_cache/acache.h"
-
-#include "t_array_api.h"
-#include "t_array_import.h"
-#include "t_save_api.h"
-#include "t_context.h"
-#include "t_pipeline.h"
-#include "dispatch.h"
-
-static void fallback_drawarrays( GLcontext *ctx, GLenum mode, GLint start,
- GLsizei count )
-{
- GLint i;
-
- assert(!ctx->CompileFlag);
- assert(ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END);
-
- CALL_Begin(GET_DISPATCH(), (mode));
- for (i = 0; i < count; i++)
- CALL_ArrayElement(GET_DISPATCH(), ( start + i ));
- CALL_End(GET_DISPATCH(), ());
-}
-
-
-static void fallback_drawelements( GLcontext *ctx, GLenum mode, GLsizei count,
- const GLuint *indices)
-{
- GLint i;
-
- assert(!ctx->CompileFlag);
- assert(ctx->Driver.CurrentExecPrimitive == PRIM_OUTSIDE_BEGIN_END);
-
- /* Here, indices will already reflect the buffer object if active */
-
- CALL_Begin(GET_DISPATCH(), (mode));
- for (i = 0 ; i < count ; i++) {
- CALL_ArrayElement(GET_DISPATCH(), ( indices[i] ));
- }
- CALL_End(GET_DISPATCH(), ());
-}
-
-
-/* Note this function no longer takes a 'start' value, the range is
- * assumed to start at zero. The old trick of subtracting 'start'
- * from each index won't work if the indices are not in writeable
- * memory.
- */
-static void _tnl_draw_range_elements( GLcontext *ctx, GLenum mode,
- GLuint max_index,
- GLsizei index_count, GLuint *indices )
-
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct tnl_prim prim;
- FLUSH_CURRENT( ctx, 0 );
-
- _tnl_vb_bind_arrays( ctx, 0, max_index );
-
- tnl->vb.Primitive = &prim;
- tnl->vb.Primitive[0].mode = mode | PRIM_BEGIN | PRIM_END;
- tnl->vb.Primitive[0].start = 0;
- tnl->vb.Primitive[0].count = index_count;
- tnl->vb.PrimitiveCount = 1;
-
- tnl->vb.Elts = (GLuint *)indices;
-
- tnl->Driver.RunPipeline( ctx );
-}
-
-
-
-/**
- * Called via the GL API dispatcher.
- */
-void GLAPIENTRY
-_tnl_DrawArrays(GLenum mode, GLint start, GLsizei count)
-{
- GET_CURRENT_CONTEXT(ctx);
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- /* It's tempting to get rid of this threshold value because we take
- * very different paths if 'count' is less than or greater than 'thresh'.
- * I've found/fixed at least one bug which only occured for particular
- * array sizes. Also, several conformance tests use very short arrays
- * which means the long-array path doesn't get tested. -Brian
- */
- GLuint thresh = (ctx->Driver.NeedFlush & FLUSH_STORED_VERTICES) ? 30 : 10;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(NULL, "_tnl_DrawArrays %d %d\n", start, count);
-
- /* Check arguments, etc.
- */
- if (!_mesa_validate_DrawArrays( ctx, mode, start, count ))
- return;
-
- assert(!ctx->CompileFlag);
-
- if (!ctx->Array.LockCount && (GLuint) count < thresh) {
- /* Small primitives: attempt to share a vb (at the expense of
- * using the immediate interface).
- */
- fallback_drawarrays( ctx, mode, start, count );
- }
- else if (start >= (GLint) ctx->Array.LockFirst &&
- start + count <= (GLint)(ctx->Array.LockFirst + ctx->Array.LockCount)) {
-
- struct tnl_prim prim;
-
- /* Locked primitives which can fit in a single vertex buffer:
- */
- FLUSH_CURRENT( ctx, 0 );
-
- /* Locked drawarrays. Reuse any previously transformed data.
- */
- _tnl_vb_bind_arrays( ctx, ctx->Array.LockFirst,
- ctx->Array.LockFirst + ctx->Array.LockCount );
-
- tnl->vb.Primitive = &prim;
- tnl->vb.Primitive[0].mode = mode | PRIM_BEGIN | PRIM_END;
- tnl->vb.Primitive[0].start = start;
- tnl->vb.Primitive[0].count = count;
- tnl->vb.PrimitiveCount = 1;
-
- tnl->Driver.RunPipeline( ctx );
- }
- else {
- int bufsz = 256; /* Use a small buffer for cache goodness */
- int j, nr;
- int minimum, modulo, skip;
-
- /* Large primitives requiring decomposition to multiple vertex
- * buffers:
- */
- switch (mode) {
- case GL_POINTS:
- 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;
- skip = 0;
- break;
- case GL_TRIANGLES:
- minimum = 2;
- modulo = 3;
- skip = 2;
- break;
- case GL_TRIANGLE_STRIP:
- minimum = 2;
- modulo = 1;
- skip = 0;
- break;
- case GL_QUADS:
- minimum = 3;
- modulo = 4;
- skip = 3;
- break;
- case GL_QUAD_STRIP:
- minimum = 3;
- modulo = 2;
- skip = 0;
- break;
- case GL_LINE_LOOP:
- case GL_TRIANGLE_FAN:
- case GL_POLYGON:
- default:
- /* Primitives requiring a copied vertex (fan-like primitives)
- * must use the slow path if they cannot fit in a single
- * vertex buffer.
- */
- if (count <= (GLint) ctx->Const.MaxArrayLockSize) {
- bufsz = ctx->Const.MaxArrayLockSize;
- minimum = 0;
- modulo = 1;
- skip = 0;
- }
- else {
- fallback_drawarrays( ctx, mode, start, count );
- return;
- }
- }
-
- FLUSH_CURRENT( ctx, 0 );
-
- bufsz -= bufsz % modulo;
- bufsz -= minimum;
- count += start;
-
- for (j = start + minimum ; j < count ; j += nr + skip ) {
-
- struct tnl_prim prim;
-
- nr = MIN2( bufsz, count - j );
-
- /* XXX is the last parameter a count or index into the array??? */
- _tnl_vb_bind_arrays( ctx, j - minimum, j + nr );
-
- tnl->vb.Primitive = &prim;
- tnl->vb.Primitive[0].mode = mode;
-
- if (j == start + minimum)
- tnl->vb.Primitive[0].mode |= PRIM_BEGIN;
-
- if (j + nr + skip >= count)
- tnl->vb.Primitive[0].mode |= PRIM_END;
-
- tnl->vb.Primitive[0].start = 0;
- tnl->vb.Primitive[0].count = nr + minimum;
- tnl->vb.PrimitiveCount = 1;
-
- tnl->Driver.RunPipeline( ctx );
- }
- }
-}
-
-
-/**
- * Called via the GL API dispatcher.
- */
-void GLAPIENTRY
-_tnl_DrawRangeElements(GLenum mode,
- GLuint start, GLuint end,
- GLsizei count, GLenum type, const GLvoid *indices)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint *ui_indices;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(NULL, "_tnl_DrawRangeElements %d %d %d\n", start, end, count);
-
- if (ctx->Array.ElementArrayBufferObj->Name) {
- /* use indices in the buffer object */
- if (!ctx->Array.ElementArrayBufferObj->Data) {
- _mesa_warning(ctx,
- "DrawRangeElements with empty vertex elements buffer!");
- return;
- }
- /* actual address is the sum of pointers */
- indices = (const GLvoid *)
- ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Data,
- (const GLubyte *) indices);
- }
-
- /* Check arguments, etc.
- */
- if (!_mesa_validate_DrawRangeElements( ctx, mode, start, end, count,
- type, indices ))
- return;
-
- ui_indices = (GLuint *)_ac_import_elements( ctx, GL_UNSIGNED_INT,
- count, type, indices );
-
-#ifdef DEBUG
- /* check that array indices really fall inside [start, end] range */
- {
- GLuint i;
- for (i = 0; i < count; i++) {
- if (ui_indices[i] < start || ui_indices[i] > end) {
- _mesa_warning(ctx, "Invalid array index in "
- "glDrawRangeElements(index=%u)", ui_indices[i]);
- }
- }
- }
-#endif
-
- assert(!ctx->CompileFlag);
-
- if (ctx->Array.LockCount) {
- /* Are the arrays already locked? If so we currently have to look
- * at the whole locked range.
- */
-
- if (start == 0 && ctx->Array.LockFirst == 0 &&
- end < (ctx->Array.LockFirst + ctx->Array.LockCount))
- _tnl_draw_range_elements( ctx, mode,
- ctx->Array.LockCount,
- count, ui_indices );
- else {
- fallback_drawelements( ctx, mode, count, ui_indices );
- }
- }
- else if (start == 0 && end < ctx->Const.MaxArrayLockSize) {
- /* The arrays aren't locked but we can still fit them inside a
- * single vertexbuffer.
- */
- _tnl_draw_range_elements( ctx, mode, end + 1, count, ui_indices );
- }
- else {
- /* Range is too big to optimize:
- */
- fallback_drawelements( ctx, mode, count, ui_indices );
- }
-}
-
-
-
-/**
- * Called via the GL API dispatcher.
- */
-void GLAPIENTRY
-_tnl_DrawElements(GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLuint *ui_indices;
-
- if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(NULL, "_tnl_DrawElements %d\n", count);
-
- /* Check arguments, etc. */
- if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices ))
- return;
-
- if (ctx->Array.ElementArrayBufferObj->Name) {
- /* actual address is the sum of pointers */
- indices = (const GLvoid *)
- ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Data,
- (const GLubyte *) indices);
- }
-
- ui_indices = (GLuint *)_ac_import_elements( ctx, GL_UNSIGNED_INT,
- count, type, indices );
-
- assert(!ctx->CompileFlag);
-
- if (ctx->Array.LockCount) {
- if (ctx->Array.LockFirst == 0)
- _tnl_draw_range_elements( ctx, mode,
- ctx->Array.LockCount,
- count, ui_indices );
- else
- fallback_drawelements( ctx, mode, count, ui_indices );
- }
- else {
- /* Scan the index list and see if we can use the locked path anyway.
- */
- GLuint max_elt = 0;
- GLint i;
-
- for (i = 0 ; i < count ; i++)
- if (ui_indices[i] > max_elt)
- max_elt = ui_indices[i];
-
- if (max_elt < ctx->Const.MaxArrayLockSize && /* can we use it? */
- max_elt < (GLuint) count) /* do we want to use it? */
- _tnl_draw_range_elements( ctx, mode, max_elt+1, count, ui_indices );
- else
- fallback_drawelements( ctx, mode, count, ui_indices );
- }
-}
-
-
-/**
- * Initialize context's vertex array fields. Called during T 'n L context
- * creation.
- */
-void _tnl_array_init( GLcontext *ctx )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct tnl_vertex_arrays *tmp = &tnl->array_inputs;
- GLvertexformat *vfmt = &(TNL_CONTEXT(ctx)->exec_vtxfmt);
- GLuint i;
-
- vfmt->DrawArrays = _tnl_DrawArrays;
- vfmt->DrawElements = _tnl_DrawElements;
- vfmt->DrawRangeElements = _tnl_DrawRangeElements;
-
- /* Setup vector pointers that will be used to bind arrays to VB's.
- */
- _mesa_vector4f_init( &tmp->Obj, 0, NULL);
- _mesa_vector4f_init( &tmp->Normal, 0, NULL);
- _mesa_vector4f_init( &tmp->FogCoord, 0, NULL);
- _mesa_vector4f_init( &tmp->Index, 0, NULL);
-
- for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++)
- _mesa_vector4f_init( &tmp->TexCoord[i], 0, NULL);
-}
-
-
-/**
- * Destroy the context's vertex array stuff.
- * Called during T 'n L context destruction.
- */
-void _tnl_array_destroy( GLcontext *ctx )
-{
- (void) ctx;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:57:13 +0000