* 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
+ * THE AUTHORS 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 "main/glheader.h"
#include "main/context.h"
+#include "main/blend.h"
#include "main/imports.h"
#include "main/macros.h"
#include "main/mtypes.h"
+#include "main/fbobject.h"
#include "prog_statevars.h"
#include "prog_parameter.h"
+#include "main/samplerobj.h"
/**
* The program parser will produce the state[] values.
*/
static void
-_mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
+_mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
GLfloat *value)
{
switch (state[0]) {
{
/* state[1] is the texture unit */
const GLuint unit = (GLuint) state[1];
- COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
+ if (_mesa_get_clamp_fragment_color(ctx))
+ COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
+ else
+ COPY_4V(value, ctx->Texture.Unit[unit].EnvColorUnclamped);
}
return;
case STATE_FOG_COLOR:
- COPY_4V(value, ctx->Fog.Color);
+ if (_mesa_get_clamp_fragment_color(ctx))
+ COPY_4V(value, ctx->Fog.Color);
+ else
+ COPY_4V(value, ctx->Fog.ColorUnclamped);
return;
case STATE_FOG_PARAMS:
value[0] = ctx->Fog.Density;
case STATE_MVP_MATRIX:
case STATE_TEXTURE_MATRIX:
case STATE_PROGRAM_MATRIX:
- case STATE_COLOR_MATRIX:
{
/* state[0] = modelview, projection, texture, etc. */
/* state[1] = which texture matrix or program matrix */
ASSERT(index < Elements(ctx->ProgramMatrixStack));
matrix = ctx->ProgramMatrixStack[index].Top;
}
- else if (mat == STATE_COLOR_MATRIX) {
- matrix = ctx->ColorMatrixStack.Top;
- }
else {
_mesa_problem(ctx, "Bad matrix name in _mesa_fetch_state()");
return;
modifier == STATE_MATRIX_INVTRANS) {
/* Be sure inverse is up to date:
*/
- _math_matrix_alloc_inv( (GLmatrix *) matrix );
_math_matrix_analyse( (GLmatrix*) matrix );
m = matrix->inv;
}
}
return;
+ case STATE_CURRENT_ATTRIB_MAYBE_VP_CLAMPED:
+ {
+ const GLuint idx = (GLuint) state[2];
+ if(ctx->Light._ClampVertexColor &&
+ (idx == VERT_ATTRIB_COLOR0 ||
+ idx == VERT_ATTRIB_COLOR1)) {
+ value[0] = CLAMP(ctx->Current.Attrib[idx][0], 0.0f, 1.0f);
+ value[1] = CLAMP(ctx->Current.Attrib[idx][1], 0.0f, 1.0f);
+ value[2] = CLAMP(ctx->Current.Attrib[idx][2], 0.0f, 1.0f);
+ value[3] = CLAMP(ctx->Current.Attrib[idx][3], 0.0f, 1.0f);
+ }
+ else
+ COPY_4V(value, ctx->Current.Attrib[idx]);
+ }
+ return;
+
case STATE_NORMAL_SCALE:
ASSIGN_4V(value,
ctx->_ModelViewInvScale,
value[0] = (ctx->Fog.End == ctx->Fog.Start)
? 1.0f : (GLfloat)(-1.0F / (ctx->Fog.End - ctx->Fog.Start));
value[1] = ctx->Fog.End * -value[0];
- value[2] = (GLfloat)(ctx->Fog.Density * ONE_DIV_LN2);
+ value[2] = (GLfloat)(ctx->Fog.Density * M_LOG2E); /* M_LOG2E == 1/ln(2) */
value[3] = (GLfloat)(ctx->Fog.Density * ONE_DIV_SQRT_LN2);
return;
value[3] = ctx->Point.Threshold;
}
return;
- case STATE_POINT_SIZE_IMPL_CLAMP:
- {
- /* for implementation clamp only in vs */
- GLfloat minImplSize;
- GLfloat maxImplSize;
- if (ctx->Point.PointSprite) {
- minImplSize = ctx->Const.MinPointSizeAA;
- maxImplSize = ctx->Const.MaxPointSize;
- }
- else if (ctx->Point.SmoothFlag || ctx->Multisample._Enabled) {
- minImplSize = ctx->Const.MinPointSizeAA;
- maxImplSize = ctx->Const.MaxPointSizeAA;
- }
- else {
- minImplSize = ctx->Const.MinPointSize;
- maxImplSize = ctx->Const.MaxPointSize;
- }
- value[0] = ctx->Point.Size;
- value[1] = minImplSize;
- value[2] = maxImplSize;
- value[3] = ctx->Point.Threshold;
- }
- return;
case STATE_LIGHT_SPOT_DIR_NORMALIZED:
{
/* here, state[2] is the light number */
value[3] = ctx->Pixel.AlphaBias;
return;
- case STATE_PCM_SCALE:
- COPY_4V(value, ctx->Pixel.PostColorMatrixScale);
- return;
-
- case STATE_PCM_BIAS:
- COPY_4V(value, ctx->Pixel.PostColorMatrixBias);
- return;
-
- case STATE_SHADOW_AMBIENT:
- {
- const int unit = (int) state[2];
- const struct gl_texture_object *texObj
- = ctx->Texture.Unit[unit]._Current;
- if (texObj) {
- value[0] =
- value[1] =
- value[2] =
- value[3] = texObj->CompareFailValue;
- }
- }
- return;
-
case STATE_FB_SIZE:
value[0] = (GLfloat) (ctx->DrawBuffer->Width - 1);
value[1] = (GLfloat) (ctx->DrawBuffer->Height - 1);
value[3] = 0.0F;
return;
+ case STATE_FB_WPOS_Y_TRANSFORM:
+ /* A driver may negate this conditional by using ZW swizzle
+ * instead of XY (based on e.g. some other state). */
+ if (_mesa_is_user_fbo(ctx->DrawBuffer)) {
+ /* Identity (XY) followed by flipping Y upside down (ZW). */
+ value[0] = 1.0F;
+ value[1] = 0.0F;
+ value[2] = -1.0F;
+ value[3] = (GLfloat) ctx->DrawBuffer->Height;
+ } else {
+ /* Flipping Y upside down (XY) followed by identity (ZW). */
+ value[0] = -1.0F;
+ value[1] = (GLfloat) ctx->DrawBuffer->Height;
+ value[2] = 1.0F;
+ value[3] = 0.0F;
+ }
+ return;
+
case STATE_ROT_MATRIX_0:
{
const int unit = (int) state[2];
{
switch (state[0]) {
case STATE_MATERIAL:
+ case STATE_LIGHTPROD:
+ case STATE_LIGHTMODEL_SCENECOLOR:
+ /* these can be effected by glColor when colormaterial mode is used */
+ return _NEW_LIGHT | _NEW_CURRENT_ATTRIB;
+
case STATE_LIGHT:
case STATE_LIGHTMODEL_AMBIENT:
- case STATE_LIGHTMODEL_SCENECOLOR:
- case STATE_LIGHTPROD:
return _NEW_LIGHT;
case STATE_TEXGEN:
- case STATE_TEXENV_COLOR:
return _NEW_TEXTURE;
+ case STATE_TEXENV_COLOR:
+ return _NEW_TEXTURE | _NEW_BUFFERS | _NEW_FRAG_CLAMP;
case STATE_FOG_COLOR:
+ return _NEW_FOG | _NEW_BUFFERS | _NEW_FRAG_CLAMP;
case STATE_FOG_PARAMS:
return _NEW_FOG;
return _NEW_TEXTURE_MATRIX;
case STATE_PROGRAM_MATRIX:
return _NEW_TRACK_MATRIX;
- case STATE_COLOR_MATRIX:
- return _NEW_COLOR_MATRIX;
case STATE_DEPTH_RANGE:
return _NEW_VIEWPORT;
switch (state[1]) {
case STATE_CURRENT_ATTRIB:
return _NEW_CURRENT_ATTRIB;
+ case STATE_CURRENT_ATTRIB_MAYBE_VP_CLAMPED:
+ return _NEW_CURRENT_ATTRIB | _NEW_LIGHT | _NEW_BUFFERS;
case STATE_NORMAL_SCALE:
return _NEW_MODELVIEW;
case STATE_TEXRECT_SCALE:
- case STATE_SHADOW_AMBIENT:
case STATE_ROT_MATRIX_0:
case STATE_ROT_MATRIX_1:
return _NEW_TEXTURE;
case STATE_FOG_PARAMS_OPTIMIZED:
return _NEW_FOG;
case STATE_POINT_SIZE_CLAMPED:
- case STATE_POINT_SIZE_IMPL_CLAMP:
return _NEW_POINT | _NEW_MULTISAMPLE;
case STATE_LIGHT_SPOT_DIR_NORMALIZED:
case STATE_LIGHT_POSITION:
case STATE_PT_SCALE:
case STATE_PT_BIAS:
- case STATE_PCM_SCALE:
- case STATE_PCM_BIAS:
return _NEW_PIXEL;
case STATE_FB_SIZE:
+ case STATE_FB_WPOS_Y_TRANSFORM:
return _NEW_BUFFERS;
default:
case STATE_PROGRAM_MATRIX:
append(dst, "matrix.program");
break;
- case STATE_COLOR_MATRIX:
- append(dst, "matrix.color");
- break;
case STATE_MATRIX_INVERSE:
append(dst, ".inverse");
break;
case STATE_CURRENT_ATTRIB:
append(dst, "current");
break;
+ case STATE_CURRENT_ATTRIB_MAYBE_VP_CLAMPED:
+ append(dst, "currentAttribMaybeVPClamped");
+ break;
case STATE_NORMAL_SCALE:
append(dst, "normalScale");
break;
case STATE_POINT_SIZE_CLAMPED:
append(dst, "pointSizeClamped");
break;
- case STATE_POINT_SIZE_IMPL_CLAMP:
- append(dst, "pointSizeImplClamp");
- break;
case STATE_LIGHT_SPOT_DIR_NORMALIZED:
append(dst, "lightSpotDirNormalized");
break;
case STATE_PT_BIAS:
append(dst, "PTbias");
break;
- case STATE_PCM_SCALE:
- append(dst, "PCMscale");
- break;
- case STATE_PCM_BIAS:
- append(dst, "PCMbias");
- break;
- case STATE_SHADOW_AMBIENT:
- append(dst, "CompareFailValue");
- break;
case STATE_FB_SIZE:
append(dst, "FbSize");
break;
+ case STATE_FB_WPOS_Y_TRANSFORM:
+ append(dst, "FbWposYTransform");
+ break;
case STATE_ROT_MATRIX_0:
append(dst, "rotMatrixRow0");
break;
case STATE_MVP_MATRIX:
case STATE_TEXTURE_MATRIX:
case STATE_PROGRAM_MATRIX:
- case STATE_COLOR_MATRIX:
{
/* state[0] = modelview, projection, texture, etc. */
/* state[1] = which texture matrix or program matrix */
append_token(str, state[1]);
append_index(str, state[2]);
break;
+ case STATE_NORMAL_SCALE:
+ break;
case STATE_INTERNAL:
append_token(str, state[1]);
if (state[1] == STATE_CURRENT_ATTRIB)
* Loop over all the parameters in a parameter list. If the parameter
* is a GL state reference, look up the current value of that state
* variable and put it into the parameter's Value[4] array.
- * This would be called at glBegin time when using a fragment program.
+ * Other parameter types never change or are explicitly set by the user
+ * with glUniform() or glProgramParameter(), etc.
+ * This would be called at glBegin time.
*/
void
-_mesa_load_state_parameters(GLcontext *ctx,
+_mesa_load_state_parameters(struct gl_context *ctx,
struct gl_program_parameter_list *paramList)
{
GLuint i;
if (!paramList)
return;
- /*assert(ctx->Driver.NeedFlush == 0);*/
-
for (i = 0; i < paramList->NumParameters; i++) {
if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
_mesa_fetch_state(ctx,
- (gl_state_index *) paramList->Parameters[i].StateIndexes,
- paramList->ParameterValues[i]);
- }
- }
-}
-
-
-/**
- * Copy the 16 elements of a matrix into four consecutive program
- * registers starting at 'pos'.
- */
-static void
-load_matrix(GLfloat registers[][4], GLuint pos, const GLfloat mat[16])
-{
- GLuint i;
- for (i = 0; i < 4; i++) {
- registers[pos + i][0] = mat[0 + i];
- registers[pos + i][1] = mat[4 + i];
- registers[pos + i][2] = mat[8 + i];
- registers[pos + i][3] = mat[12 + i];
- }
-}
-
-
-/**
- * As above, but transpose the matrix.
- */
-static void
-load_transpose_matrix(GLfloat registers[][4], GLuint pos,
- const GLfloat mat[16])
-{
- memcpy(registers[pos], mat, 16 * sizeof(GLfloat));
-}
-
-
-/**
- * Load current vertex program's parameter registers with tracked
- * matrices (if NV program). This only needs to be done per
- * glBegin/glEnd, not per-vertex.
- */
-void
-_mesa_load_tracked_matrices(GLcontext *ctx)
-{
- GLuint i;
-
- for (i = 0; i < MAX_NV_VERTEX_PROGRAM_PARAMS / 4; i++) {
- /* point 'mat' at source matrix */
- GLmatrix *mat;
- if (ctx->VertexProgram.TrackMatrix[i] == GL_MODELVIEW) {
- mat = ctx->ModelviewMatrixStack.Top;
- }
- else if (ctx->VertexProgram.TrackMatrix[i] == GL_PROJECTION) {
- mat = ctx->ProjectionMatrixStack.Top;
- }
- else if (ctx->VertexProgram.TrackMatrix[i] == GL_TEXTURE) {
- GLuint unit = MIN2(ctx->Texture.CurrentUnit,
- Elements(ctx->TextureMatrixStack) - 1);
- mat = ctx->TextureMatrixStack[unit].Top;
- }
- else if (ctx->VertexProgram.TrackMatrix[i] == GL_COLOR) {
- mat = ctx->ColorMatrixStack.Top;
- }
- else if (ctx->VertexProgram.TrackMatrix[i]==GL_MODELVIEW_PROJECTION_NV) {
- /* XXX verify the combined matrix is up to date */
- mat = &ctx->_ModelProjectMatrix;
- }
- else if (ctx->VertexProgram.TrackMatrix[i] >= GL_MATRIX0_NV &&
- ctx->VertexProgram.TrackMatrix[i] <= GL_MATRIX7_NV) {
- GLuint n = ctx->VertexProgram.TrackMatrix[i] - GL_MATRIX0_NV;
- ASSERT(n < Elements(ctx->ProgramMatrixStack));
- mat = ctx->ProgramMatrixStack[n].Top;
- }
- else {
- /* no matrix is tracked, but we leave the register values as-is */
- assert(ctx->VertexProgram.TrackMatrix[i] == GL_NONE);
- continue;
- }
-
- /* load the matrix values into sequential registers */
- if (ctx->VertexProgram.TrackMatrixTransform[i] == GL_IDENTITY_NV) {
- load_matrix(ctx->VertexProgram.Parameters, i*4, mat->m);
- }
- else if (ctx->VertexProgram.TrackMatrixTransform[i] == GL_INVERSE_NV) {
- _math_matrix_analyse(mat); /* update the inverse */
- ASSERT(!_math_matrix_is_dirty(mat));
- load_matrix(ctx->VertexProgram.Parameters, i*4, mat->inv);
- }
- else if (ctx->VertexProgram.TrackMatrixTransform[i] == GL_TRANSPOSE_NV) {
- load_transpose_matrix(ctx->VertexProgram.Parameters, i*4, mat->m);
- }
- else {
- assert(ctx->VertexProgram.TrackMatrixTransform[i]
- == GL_INVERSE_TRANSPOSE_NV);
- _math_matrix_analyse(mat); /* update the inverse */
- ASSERT(!_math_matrix_is_dirty(mat));
- load_transpose_matrix(ctx->VertexProgram.Parameters, i*4, mat->inv);
+ paramList->Parameters[i].StateIndexes,
+ ¶mList->ParameterValues[i][0].f);
}
}
}
projects / mesa.git / blobdiff