diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/vbo/vbo_exec_array.c | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/src/mesa/vbo/vbo_exec_array.c b/src/mesa/vbo/vbo_exec_array.c index 66a4ed7a40..564f7f71ab 100644 --- a/src/mesa/vbo/vbo_exec_array.c +++ b/src/mesa/vbo/vbo_exec_array.c @@ -36,7 +36,8 @@ #include "vbo_context.h" -/* Compute min and max elements for drawelements calls. +/** + * Compute min and max elements for glDraw[Range]Elements() calls. */ static void get_minmax_index( GLuint count, GLuint type, const GLvoid *indices, @@ -89,7 +90,8 @@ static void get_minmax_index( GLuint count, GLuint type, } -/* Just translate the arrayobj into a sane layout. +/** + * Just translate the arrayobj into a sane layout. */ static void bind_array_obj( GLcontext *ctx ) { @@ -127,6 +129,7 @@ static void bind_array_obj( GLcontext *ctx ) exec->array.array_obj = arrayObj->Name; } + static void recalculate_input_bindings( GLcontext *ctx ) { struct vbo_context *vbo = vbo_context(ctx); @@ -140,9 +143,10 @@ static void recalculate_input_bindings( GLcontext *ctx ) switch (exec->array.program_mode) { case VP_NONE: - /* When no vertex program is active, we put the material values - * into the generic slots. This is the only situation where - * material values are available as per-vertex attributes. + /* When no vertex program is active (or the vertex program is generated + * from fixed-function state). We put the material values into the + * generic slots. This is the only situation where material values + * are available as per-vertex attributes. */ for (i = 0; i <= VERT_ATTRIB_TEX7; i++) { if (exec->array.legacy_array[i]->Enabled) @@ -165,8 +169,8 @@ static void recalculate_input_bindings( GLcontext *ctx ) inputs[VERT_ATTRIB_GENERIC0 + i] = &vbo->generic_currval[i]; const_inputs |= 1 << (VERT_ATTRIB_GENERIC0 + i); } - break; + case VP_NV: /* NV_vertex_program - attribute arrays alias and override * conventional, legacy arrays. No materials, and the generic @@ -190,11 +194,11 @@ static void recalculate_input_bindings( GLcontext *ctx ) inputs[i] = &vbo->generic_currval[i - VERT_ATTRIB_GENERIC0]; const_inputs |= 1 << i; } - break; + case VP_ARB: - /* ARB_vertex_program - Only the attribute zero (position) array - * aliases and overrides the legacy position array. + /* GL_ARB_vertex_program or GLSL vertex shader - Only the generic[0] + * attribute array aliases and overrides the legacy position array. * * Otherwise, legacy attributes available in the legacy slots, * generic attributes in the generic slots and materials are not @@ -209,7 +213,6 @@ static void recalculate_input_bindings( GLcontext *ctx ) const_inputs |= 1 << 0; } - for (i = 1; i <= VERT_ATTRIB_TEX7; i++) { if (exec->array.legacy_array[i]->Enabled) inputs[i] = exec->array.legacy_array[i]; @@ -234,6 +237,7 @@ static void recalculate_input_bindings( GLcontext *ctx ) _mesa_set_varying_vp_inputs( ctx, ~const_inputs ); } + static void bind_arrays( GLcontext *ctx ) { #if 0 @@ -281,7 +285,10 @@ vbo_exec_DrawArrays(GLenum mode, GLint start, GLsizei count) bind_arrays( ctx ); - /* Again... + /* Again... because we may have changed the bitmask of per-vertex varying + * attributes. If we regenerate the fixed-function vertex program now + * we may be able to prune down the number of vertex attributes which we + * need in the shader. */ if (ctx->NewState) _mesa_update_state( ctx ); @@ -295,7 +302,8 @@ vbo_exec_DrawArrays(GLenum mode, GLint start, GLsizei count) prim[0].count = count; prim[0].indexed = 0; - vbo->draw_prims( ctx, exec->array.inputs, prim, 1, NULL, start, start + count - 1 ); + vbo->draw_prims( ctx, exec->array.inputs, prim, 1, NULL, + start, start + count - 1 ); #if 0 { @@ -340,7 +348,6 @@ vbo_exec_DrawArrays(GLenum mode, GLint start, GLsizei count) } - static void GLAPIENTRY vbo_exec_DrawRangeElements(GLenum mode, GLuint start, GLuint end, @@ -357,9 +364,11 @@ vbo_exec_DrawRangeElements(GLenum mode, if (end >= ctx->Array.ArrayObj->_MaxElement) { /* the max element is out of bounds of one or more enabled arrays */ - _mesa_warning(ctx, "glDraw[Range]Elements() index=%u is " - "out of bounds (max=%u)", end, - ctx->Array.ArrayObj->_MaxElement); + _mesa_warning(ctx, "glDraw[Range]Elements(start %u, end %u, count %d, " + "type 0x%x) index=%u is out of bounds (max=%u)", + start, end, count, type, end, + if (0) + _mesa_print_arrays(ctx); return; } @@ -426,6 +435,7 @@ vbo_exec_DrawRangeElements(GLenum mode, vbo->draw_prims( ctx, exec->array.inputs, prim, 1, &ib, start, end ); } + static void GLAPIENTRY vbo_exec_DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) { @@ -465,9 +475,6 @@ vbo_exec_DrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *ind * Initialization */ - - - void vbo_exec_array_init( struct vbo_exec_context *exec ) { #if 1 |