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Diffstat (limited to 'src/mesa/tnl/t_array_api.c')
-rw-r--r-- | src/mesa/tnl/t_array_api.c | 432 |
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 6826cf7..0000000 --- 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; -} |