/*
* Mesa 3-D graphics library
- * Version: 7.3
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "glheader.h"
#include "mtypes.h"
+#include "arrayobj.h"
#include "context.h"
#include "debug.h"
#include "macros.h"
#include "pixel.h"
#include "program/program.h"
#include "program/prog_parameter.h"
+#include "shaderobj.h"
#include "state.h"
#include "stencil.h"
#include "texenvprogram.h"
#include "texobj.h"
#include "texstate.h"
-
-
-static void
-update_separate_specular(struct gl_context *ctx)
-{
- if (NEED_SECONDARY_COLOR(ctx))
- ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
- else
- ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
-}
-
-
-/**
- * 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);
- return MIN2(min, array->_MaxElement);
-}
-
-
-/**
- * Update ctx->Array._MaxElement (the max legal index into all enabled arrays).
- * Need to do this upon new array state or new buffer object state.
- */
-static void
-update_arrays( struct gl_context *ctx )
-{
- struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
- GLuint i, min = ~0;
-
- /* find min of _MaxElement values for all enabled arrays */
-
- /* 0 */
- if (ctx->VertexProgram._Current
- && arrayObj->VertexAttrib[VERT_ATTRIB_POS].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_POS]);
- }
- else if (arrayObj->Vertex.Enabled) {
- min = update_min(min, &arrayObj->Vertex);
- }
-
- /* 1 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_WEIGHT]);
- }
- /* no conventional vertex weight array */
-
- /* 2 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_NORMAL]);
- }
- else if (arrayObj->Normal.Enabled) {
- min = update_min(min, &arrayObj->Normal);
- }
-
- /* 3 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR0]);
- }
- else if (arrayObj->Color.Enabled) {
- min = update_min(min, &arrayObj->Color);
- }
-
- /* 4 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR1].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR1]);
- }
- else if (arrayObj->SecondaryColor.Enabled) {
- min = update_min(min, &arrayObj->SecondaryColor);
- }
-
- /* 5 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_FOG].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_FOG]);
- }
- else if (arrayObj->FogCoord.Enabled) {
- min = update_min(min, &arrayObj->FogCoord);
- }
-
- /* 6 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_COLOR_INDEX]);
- }
- else if (arrayObj->Index.Enabled) {
- min = update_min(min, &arrayObj->Index);
- }
-
- /* 7 */
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[VERT_ATTRIB_EDGEFLAG]);
- }
-
- /* 8..15 */
- for (i = VERT_ATTRIB_TEX0; i <= VERT_ATTRIB_TEX7; i++) {
- if (ctx->VertexProgram._Enabled
- && arrayObj->VertexAttrib[i].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[i]);
- }
- else if (i - VERT_ATTRIB_TEX0 < ctx->Const.MaxTextureCoordUnits
- && arrayObj->TexCoord[i - VERT_ATTRIB_TEX0].Enabled) {
- min = update_min(min, &arrayObj->TexCoord[i - VERT_ATTRIB_TEX0]);
- }
- }
-
- /* 16..31 */
- if (ctx->VertexProgram._Current) {
- for (i = 0; i < Elements(arrayObj->VertexAttrib); i++) {
- if (arrayObj->VertexAttrib[i].Enabled) {
- min = update_min(min, &arrayObj->VertexAttrib[i]);
- }
- }
- }
-
- if (arrayObj->EdgeFlag.Enabled) {
- min = update_min(min, &arrayObj->EdgeFlag);
- }
-
- /* _MaxElement is one past the last legal array element */
- arrayObj->_MaxElement = min;
-}
+#include "varray.h"
+#include "blend.h"
/**
static void
update_program_enables(struct gl_context *ctx)
{
- /* These _Enabled flags indicate if the program is enabled AND valid. */
+ /* These _Enabled flags indicate if the user-defined ARB/NV vertex/fragment
+ * program is enabled AND valid. Similarly for ATI fragment shaders.
+ * GLSL shaders not relevant here.
+ */
ctx->VertexProgram._Enabled = ctx->VertexProgram.Enabled
&& ctx->VertexProgram.Current->Base.Instructions;
ctx->FragmentProgram._Enabled = ctx->FragmentProgram.Enabled
/**
- * 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.
static GLbitfield
update_program(struct gl_context *ctx)
{
- const struct gl_shader_program *shProg = ctx->Shader.CurrentProgram;
+ const struct gl_shader_program *vsProg =
+ ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
+ const struct gl_shader_program *gsProg =
+ ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
+ struct gl_shader_program *fsProg =
+ ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT];
const struct gl_vertex_program *prevVP = ctx->VertexProgram._Current;
const struct gl_fragment_program *prevFP = ctx->FragmentProgram._Current;
const struct gl_geometry_program *prevGP = ctx->GeometryProgram._Current;
* come up, or matter.
*/
- if (shProg && shProg->LinkStatus && shProg->FragmentProgram) {
- /* Use shader programs */
+ if (fsProg && fsProg->LinkStatus
+ && fsProg->_LinkedShaders[MESA_SHADER_FRAGMENT]) {
+ /* Use GLSL fragment shader */
+ _mesa_reference_shader_program(ctx,
+ &ctx->_Shader->_CurrentFragmentProgram,
+ fsProg);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- shProg->FragmentProgram);
+ gl_fragment_program(fsProg->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program));
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
+ NULL);
}
else if (ctx->FragmentProgram._Enabled) {
- /* use user-defined vertex program */
+ /* Use user-defined fragment program */
+ _mesa_reference_shader_program(ctx,
+ &ctx->_Shader->_CurrentFragmentProgram,
+ NULL);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
ctx->FragmentProgram.Current);
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
+ NULL);
}
else if (ctx->FragmentProgram._MaintainTexEnvProgram) {
- /* Use fragment program generated from fixed-function state.
- */
+ /* Use fragment program generated from fixed-function state */
+ struct gl_shader_program *f = _mesa_get_fixed_func_fragment_program(ctx);
+
+ _mesa_reference_shader_program(ctx,
+ &ctx->_Shader->_CurrentFragmentProgram,
+ f);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current,
- _mesa_get_fixed_func_fragment_program(ctx));
+ gl_fragment_program(f->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program));
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
- ctx->FragmentProgram._Current);
+ gl_fragment_program(f->_LinkedShaders[MESA_SHADER_FRAGMENT]->Program));
}
else {
- /* no fragment program */
+ /* No fragment program */
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram,
+ NULL);
}
- if (shProg && shProg->LinkStatus && shProg->GeometryProgram) {
- /* Use shader programs */
+ if (gsProg && gsProg->LinkStatus
+ && gsProg->_LinkedShaders[MESA_SHADER_GEOMETRY]) {
+ /* Use GLSL geometry shader */
_mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current,
- shProg->GeometryProgram);
+ gl_geometry_program(gsProg->_LinkedShaders[MESA_SHADER_GEOMETRY]->Program));
} else {
- /* no fragment program */
+ /* No geometry program */
_mesa_reference_geomprog(ctx, &ctx->GeometryProgram._Current, NULL);
}
* _mesa_get_fixed_func_vertex_program() needs to know active
* fragprog inputs.
*/
- if (shProg && shProg->LinkStatus && shProg->VertexProgram) {
- /* Use shader programs */
+ if (vsProg && vsProg->LinkStatus
+ && vsProg->_LinkedShaders[MESA_SHADER_VERTEX]) {
+ /* Use GLSL vertex shader */
_mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current,
- shProg->VertexProgram);
+ gl_vertex_program(vsProg->_LinkedShaders[MESA_SHADER_VERTEX]->Program));
}
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,
update_viewport_matrix(struct gl_context *ctx)
{
const GLfloat depthMax = ctx->DrawBuffer->_DepthMaxF;
+ unsigned i;
ASSERT(depthMax > 0);
* and should be maintained elsewhere if at all.
* NOTE: RasterPos uses this.
*/
- _math_matrix_viewport(&ctx->Viewport._WindowMap,
- ctx->Viewport.X, ctx->Viewport.Y,
- ctx->Viewport.Width, ctx->Viewport.Height,
- ctx->Viewport.Near, ctx->Viewport.Far,
- depthMax);
+ for (i = 0; i < ctx->Const.MaxViewports; i++) {
+ _math_matrix_viewport(&ctx->ViewportArray[i]._WindowMap,
+ ctx->ViewportArray[i].X, ctx->ViewportArray[i].Y,
+ ctx->ViewportArray[i].Width, ctx->ViewportArray[i].Height,
+ ctx->ViewportArray[i].Near, ctx->ViewportArray[i].Far,
+ depthMax);
+ }
}
/**
- * Update derived color/blend/logicop state.
- */
-static void
-update_color(struct gl_context *ctx)
-{
- /* This is needed to support 1.1's RGB logic ops AND
- * 1.0's blending logicops.
- */
- ctx->Color._LogicOpEnabled = RGBA_LOGICOP_ENABLED(ctx);
-}
-
-
-/*
- * Check polygon state and set DD_TRI_CULL_FRONT_BACK and/or DD_TRI_OFFSET
- * in ctx->_TriangleCaps if needed.
- */
-static void
-update_polygon(struct gl_context *ctx)
-{
- ctx->_TriangleCaps &= ~(DD_TRI_CULL_FRONT_BACK | DD_TRI_OFFSET);
-
- if (ctx->Polygon.CullFlag && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
- ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
-
- if ( ctx->Polygon.OffsetPoint
- || ctx->Polygon.OffsetLine
- || ctx->Polygon.OffsetFill)
- ctx->_TriangleCaps |= DD_TRI_OFFSET;
-}
-
-
-/**
- * Update the ctx->_TriangleCaps bitfield.
- * XXX that bitfield should really go away someday!
- * This function must be called after other update_*() functions since
- * there are dependencies on some other derived values.
+ * Update the ctx->VertexProgram._TwoSideEnabled flag.
*/
-#if 0
static void
-update_tricaps(struct gl_context *ctx, GLbitfield new_state)
+update_twoside(struct gl_context *ctx)
{
- ctx->_TriangleCaps = 0;
-
- /*
- * Points
- */
- if (1/*new_state & _NEW_POINT*/) {
- if (ctx->Point.SmoothFlag)
- ctx->_TriangleCaps |= DD_POINT_SMOOTH;
- if (ctx->Point.Size != 1.0F)
- ctx->_TriangleCaps |= DD_POINT_SIZE;
- if (ctx->Point._Attenuated)
- ctx->_TriangleCaps |= DD_POINT_ATTEN;
- }
-
- /*
- * Lines
- */
- if (1/*new_state & _NEW_LINE*/) {
- if (ctx->Line.SmoothFlag)
- ctx->_TriangleCaps |= DD_LINE_SMOOTH;
- if (ctx->Line.StippleFlag)
- ctx->_TriangleCaps |= DD_LINE_STIPPLE;
- if (ctx->Line.Width != 1.0)
- ctx->_TriangleCaps |= DD_LINE_WIDTH;
- }
-
- /*
- * Polygons
- */
- if (1/*new_state & _NEW_POLYGON*/) {
- if (ctx->Polygon.SmoothFlag)
- ctx->_TriangleCaps |= DD_TRI_SMOOTH;
- if (ctx->Polygon.StippleFlag)
- ctx->_TriangleCaps |= DD_TRI_STIPPLE;
- if (ctx->Polygon.FrontMode != GL_FILL
- || ctx->Polygon.BackMode != GL_FILL)
- ctx->_TriangleCaps |= DD_TRI_UNFILLED;
- if (ctx->Polygon.CullFlag
- && ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
- ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
- if (ctx->Polygon.OffsetPoint ||
- ctx->Polygon.OffsetLine ||
- ctx->Polygon.OffsetFill)
- ctx->_TriangleCaps |= DD_TRI_OFFSET;
+ if (ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX] ||
+ ctx->VertexProgram._Enabled) {
+ ctx->VertexProgram._TwoSideEnabled = ctx->VertexProgram.TwoSideEnabled;
+ } else {
+ ctx->VertexProgram._TwoSideEnabled = (ctx->Light.Enabled &&
+ ctx->Light.Model.TwoSide);
}
-
- /*
- * Lighting and shading
- */
- if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
- ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
- if (ctx->Light.ShadeModel == GL_FLAT)
- ctx->_TriangleCaps |= DD_FLATSHADE;
- if (NEED_SECONDARY_COLOR(ctx))
- ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
-
- /*
- * Stencil
- */
- if (ctx->Stencil._TestTwoSide)
- ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
}
-#endif
/**
/* Determine which state flags effect vertex/fragment program state */
if (ctx->FragmentProgram._MaintainTexEnvProgram) {
prog_flags |= (_NEW_BUFFERS | _NEW_TEXTURE | _NEW_FOG |
- _NEW_ARRAY | _NEW_LIGHT | _NEW_POINT | _NEW_RENDERMODE |
- _NEW_PROGRAM);
+ _NEW_VARYING_VP_INPUTS | _NEW_LIGHT | _NEW_POINT |
+ _NEW_RENDERMODE | _NEW_PROGRAM | _NEW_FRAG_CLAMP |
+ _NEW_COLOR);
}
if (ctx->VertexProgram._MaintainTnlProgram) {
- prog_flags |= (_NEW_ARRAY | _NEW_TEXTURE | _NEW_TEXTURE_MATRIX |
- _NEW_TRANSFORM | _NEW_POINT |
+ prog_flags |= (_NEW_VARYING_VP_INPUTS | _NEW_TEXTURE |
+ _NEW_TEXTURE_MATRIX | _NEW_TRANSFORM | _NEW_POINT |
_NEW_FOG | _NEW_LIGHT |
_MESA_NEW_NEED_EYE_COORDS);
}
if (new_state & (_NEW_SCISSOR | _NEW_BUFFERS | _NEW_VIEWPORT))
_mesa_update_draw_buffer_bounds( ctx );
- if (new_state & _NEW_POLYGON)
- update_polygon( ctx );
-
if (new_state & _NEW_LIGHT)
_mesa_update_lighting( ctx );
+ if (new_state & (_NEW_LIGHT | _NEW_PROGRAM))
+ update_twoside( 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)
- update_separate_specular( ctx );
-
if (new_state & (_NEW_BUFFERS | _NEW_VIEWPORT))
update_viewport_matrix(ctx);
- if (new_state & _NEW_MULTISAMPLE)
+ if (new_state & (_NEW_MULTISAMPLE | _NEW_BUFFERS))
update_multisample( ctx );
- if (new_state & _NEW_COLOR)
- update_color( ctx );
-
-#if 0
- if (new_state & (_NEW_POINT | _NEW_LINE | _NEW_POLYGON | _NEW_LIGHT
- | _NEW_STENCIL | _DD_NEW_SEPARATE_SPECULAR))
- update_tricaps( ctx, new_state );
-#endif
-
/* ctx->_NeedEyeCoords is now up to date.
*
* If the truth value of this variable has changed, update for the
new_prog_state |= update_program( ctx );
}
- if (new_state & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT))
- update_arrays( ctx );
+ if (new_state & _NEW_ARRAY)
+ _mesa_update_vao_client_arrays(ctx, ctx->Array.VAO);
+
+ if (ctx->Const.CheckArrayBounds &&
+ new_state & (_NEW_ARRAY | _NEW_PROGRAM | _NEW_BUFFER_OBJECT)) {
+ _mesa_update_vao_max_element(ctx, ctx->Array.VAO);
+ }
out:
new_prog_state |= update_program_constants(ctx);
new_state = ctx->NewState | new_prog_state;
ctx->NewState = 0;
ctx->Driver.UpdateState(ctx, new_state);
- ctx->Array.NewState = 0;
+ ctx->Array.VAO->NewArrays = 0x0;
}
*/
void
_mesa_set_varying_vp_inputs( struct gl_context *ctx,
- GLbitfield varying_inputs )
+ GLbitfield64 varying_inputs )
{
if (ctx->varying_vp_inputs != varying_inputs) {
ctx->varying_vp_inputs = varying_inputs;
- ctx->NewState |= _NEW_ARRAY;
+
+ /* Only the fixed-func generated programs need to use the flag
+ * and the fixed-func fragment program uses it only if there is also
+ * a fixed-func vertex program, so this only depends on the latter.
+ *
+ * It's okay to check the VP pointer here, because this is called after
+ * _mesa_update_state in the vbo module. */
+ if (ctx->VertexProgram._TnlProgram ||
+ ctx->FragmentProgram._TexEnvProgram) {
+ ctx->NewState |= _NEW_VARYING_VP_INPUTS;
+ }
/*printf("%s %x\n", __FUNCTION__, varying_inputs);*/
}
}