#include "texenvprogram.h"
#include "texobj.h"
#include "texstate.h"
+#include "varray.h"
static void
}
-/**
- * Compute the index of the last array element that can be safely accessed
- * in a vertex array. We can really only do this when the array lives in
- * a VBO.
- * The array->_MaxElement field will be updated.
- * Later in glDrawArrays/Elements/etc we can do some bounds checking.
- */
-static void
-compute_max_element(struct gl_client_array *array)
-{
- assert(array->Enabled);
- if (array->BufferObj->Name) {
- GLsizeiptrARB offset = (GLsizeiptrARB) array->Ptr;
- GLsizeiptrARB obj_size = (GLsizeiptrARB) array->BufferObj->Size;
-
- if (offset < obj_size) {
- array->_MaxElement = (obj_size - offset +
- array->StrideB -
- array->_ElementSize) / array->StrideB;
- } else {
- array->_MaxElement = 0;
- }
- }
- else {
- /* user-space array, no idea how big it is */
- array->_MaxElement = 2 * 1000 * 1000 * 1000; /* just a big number */
- }
-}
-
-
/**
* Helper for update_arrays().
* \return min(current min, array->_MaxElement).
static GLuint
update_min(GLuint min, struct gl_client_array *array)
{
- compute_max_element(array);
+ _mesa_update_array_max_element(array);
return MIN2(min, array->_MaxElement);
}
/**
- * Update vertex/fragment program state. In particular, update these fields:
- * ctx->VertexProgram._Current
- * ctx->VertexProgram._TnlProgram,
- * These point to the highest priority enabled vertex/fragment program or are
- * NULL if fixed-function processing is to be done.
+ * Update the ctx->Vertex/Geometry/FragmentProgram._Current pointers to point
+ * to the current/active programs. Then call ctx->Driver.BindProgram() to
+ * tell the driver which programs to use.
+ *
+ * Programs may come from 3 sources: GLSL shaders, ARB/NV_vertex/fragment
+ * programs or programs derived from fixed-function state.
*
* This function needs to be called after texture state validation in case
* we're generating a fragment program from fixed-function texture state.
*/
if (fsProg && fsProg->LinkStatus && fsProg->FragmentProgram) {
- /* Use shader programs */
+ /* Use GLSL fragment shader */
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
fsProg->FragmentProgram);
}
else if (ctx->FragmentProgram._Enabled) {
- /* use user-defined fragment program */
+ /* Use user-defined fragment program */
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
ctx->FragmentProgram.Current);
}
else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
- /* Use fragment program generated from fixed-function state.
- */
- struct gl_shader_program *f = _mesa_get_fixed_func_fragment_program(ctx);
-#if 0
- _mesa_reference_shader_program(ctx,
- &ctx->Shader.CurrentFragmentProgram, f);
-#endif
-
+ /* Use fragment program generated from fixed-function state */
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- f->FragmentProgram);
+ _mesa_get_fixed_func_fragment_program(ctx));
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
+ ctx->FragmentProgram._Current);
}
else {
- /* no fragment program */
+ /* No fragment program */
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
}
if (gsProg && gsProg->LinkStatus && gsProg->GeometryProgram) {
- /* Use shader programs */
+ /* Use GLSL geometry shader */
_mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current,
gsProg->GeometryProgram);
} else {
- /* no fragment program */
+ /* No geometry program */
_mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL);
}
* fragprog inputs.
*/
if (vsProg && vsProg->LinkStatus && vsProg->VertexProgram) {
- /* Use shader programs */
+ /* Use GLSL vertex shader */
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- vsProg->VertexProgram);
+ vsProg->VertexProgram);
}
else if (ctx->VertexProgram._Enabled) {
- /* use user-defined vertex program */
+ /* Use user-defined vertex program */
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
ctx->VertexProgram.Current);
}
else if (ctx->VertexProgram._MaintainTnlProgram) {
- /* Use vertex program generated from fixed-function state.
- */
+ /* Use vertex program generated from fixed-function state */
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
_mesa_get_fixed_func_vertex_program(ctx));
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram,
ctx->Color._LogicOpEnabled = _mesa_rgba_logicop_enabled(ctx);
}
+static void
+update_clamp_fragment_color(struct gl_context *ctx)
+{
+ if(ctx->Color.ClampFragmentColor == GL_FIXED_ONLY_ARB)
+ ctx->Color._ClampFragmentColor = !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode;
+ else
+ ctx->Color._ClampFragmentColor = ctx->Color.ClampFragmentColor;
+}
+
+static void
+update_clamp_vertex_color(struct gl_context *ctx)
+{
+ if(ctx->Light.ClampVertexColor == GL_FIXED_ONLY_ARB)
+ ctx->Light._ClampVertexColor = !ctx->DrawBuffer || !ctx->DrawBuffer->Visual.floatMode;
+ else
+ ctx->Light._ClampVertexColor = ctx->Light.ClampVertexColor;
+}
+
+static void
+update_clamp_read_color(struct gl_context *ctx)
+{
+ if(ctx->Color.ClampReadColor == GL_FIXED_ONLY_ARB)
+ ctx->Color._ClampReadColor = !ctx->ReadBuffer || !ctx->ReadBuffer->Visual.floatMode;
+ else
+ ctx->Color._ClampReadColor = ctx->Color.ClampReadColor;
+}
+
+
+
/*
* Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
if (ctx->FragmentProgram._MaintainTexEnvProgram) {
prog_flags |= (_NEW_BUFFERS | _NEW_TEXTURE | _NEW_FOG |
_NEW_ARRAY | _NEW_LIGHT | _NEW_POINT | _NEW_RENDERMODE |
- _NEW_PROGRAM);
+ _NEW_PROGRAM | _NEW_FRAG_CLAMP);
}
if (ctx->VertexProgram._MaintainTnlProgram) {
prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX |
if (new_state & _NEW_LIGHT)
_mesa_update_lighting( ctx );
+ if (new_state & (_NEW_LIGHT | _NEW_BUFFERS))
+ update_clamp_vertex_color(ctx);
+
if (new_state & (_NEW_STENCIL | _NEW_BUFFERS))
_mesa_update_stencil( ctx );
- if (new_state & _MESA_NEW_TRANSFER_STATE)
+ if (new_state & _NEW_PIXEL)
_mesa_update_pixel( ctx, new_state );
if (new_state & _DD_NEW_SEPARATE_SPECULAR)
if (new_state & _NEW_COLOR)
update_color( ctx );
+ if (new_state & (_NEW_COLOR | _NEW_BUFFERS))
+ update_clamp_read_color(ctx);
+
+ if(new_state & (_NEW_FRAG_CLAMP | _NEW_BUFFERS))
+ update_clamp_fragment_color(ctx);
+
#if 0
if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT
| _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR))
projects / mesa.git / blobdiff