*
**************************************************************************/
-#include "glheader.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "simple_list.h"
-#include "enums.h"
-#include "texformat.h"
-#include "texstore.h"
-
-#include "mm.h"
+#include "main/glheader.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
+#include "main/simple_list.h"
+#include "main/enums.h"
+#include "main/texstore.h"
+#include "main/mm.h"
#include "intel_screen.h"
-#include "intel_ioctl.h"
#include "intel_tex.h"
#include "i830_context.h"
/* ================================================================
* Texture combine functions
*/
-static GLuint pass_through( GLuint *state, GLuint blendUnit )
+static GLuint
+pass_through(GLuint * state, GLuint blendUnit)
{
state[0] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
- TEXPIPE_COLOR |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- DISABLE_TEX_CNTRL_STAGE |
- TEXOP_SCALE_1X |
- TEXOP_MODIFY_PARMS |
- TEXBLENDOP_ARG1);
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X | TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1);
state[1] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
- TEXPIPE_ALPHA |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- TEXOP_SCALE_1X |
- TEXOP_MODIFY_PARMS |
- TEXBLENDOP_ARG1);
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X | TEXOP_MODIFY_PARMS | TEXBLENDOP_ARG1);
state[2] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
- TEXPIPE_COLOR |
- TEXBLEND_ARG1 |
- TEXBLENDARG_MODIFY_PARMS |
- TEXBLENDARG_CURRENT);
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_CURRENT);
state[3] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
- TEXPIPE_ALPHA |
- TEXBLEND_ARG1 |
- TEXBLENDARG_MODIFY_PARMS |
- TEXBLENDARG_CURRENT);
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS | TEXBLENDARG_CURRENT);
return 4;
}
-static GLuint emit_factor( GLuint blendUnit, GLuint *state, GLuint count,
- const GLfloat *factor )
+static GLuint
+emit_factor(GLuint blendUnit, GLuint * state, GLuint count,
+ const GLfloat * factor)
{
GLubyte r, g, b, a;
GLuint col;
-
+
if (0)
fprintf(stderr, "emit constant %d: %.2f %.2f %.2f %.2f\n",
- blendUnit, factor[0], factor[1], factor[2], factor[3]);
+ blendUnit, factor[0], factor[1], factor[2], factor[3]);
UNCLAMPED_FLOAT_TO_UBYTE(r, factor[0]);
UNCLAMPED_FLOAT_TO_UBYTE(g, factor[1]);
col = ((a << 24) | (r << 16) | (g << 8) | b);
- state[count++] = _3DSTATE_COLOR_FACTOR_N_CMD(blendUnit);
+ state[count++] = _3DSTATE_COLOR_FACTOR_N_CMD(blendUnit);
state[count++] = col;
return count;
}
-static __inline__ GLuint GetTexelOp(GLint unit)
+static INLINE GLuint
+GetTexelOp(GLint unit)
{
- switch(unit) {
- case 0: return TEXBLENDARG_TEXEL0;
- case 1: return TEXBLENDARG_TEXEL1;
- case 2: return TEXBLENDARG_TEXEL2;
- case 3: return TEXBLENDARG_TEXEL3;
- default: return TEXBLENDARG_TEXEL0;
+ switch (unit) {
+ case 0:
+ return TEXBLENDARG_TEXEL0;
+ case 1:
+ return TEXBLENDARG_TEXEL1;
+ case 2:
+ return TEXBLENDARG_TEXEL2;
+ case 3:
+ return TEXBLENDARG_TEXEL3;
+ default:
+ return TEXBLENDARG_TEXEL0;
}
}
* partial support for the extension?
*/
GLuint
-i830SetTexEnvCombine(i830ContextPtr i830,
- const struct gl_tex_env_combine_state * combine,
- GLint blendUnit,
- GLuint texel_op,
- GLuint *state,
- const GLfloat *factor )
+i830SetTexEnvCombine(struct i830_context * i830,
+ const struct gl_tex_env_combine_state * combine,
+ GLint blendUnit,
+ GLuint texel_op, GLuint * state, const GLfloat * factor)
{
const GLuint numColorArgs = combine->_NumArgsRGB;
const GLuint numAlphaArgs = combine->_NumArgsA;
TEXPIPE_ALPHA | TEXBLEND_ARG0 | TEXBLENDARG_MODIFY_PARMS,
};
- if(INTEL_DEBUG&DEBUG_TEXTURE)
+ if (INTEL_DEBUG & DEBUG_TEXTURE)
fprintf(stderr, "%s\n", __FUNCTION__);
}
- switch(combine->ModeRGB) {
- case GL_REPLACE:
+ switch (combine->ModeRGB) {
+ case GL_REPLACE:
blendop = TEXBLENDOP_ARG1;
break;
- case GL_MODULATE:
+ case GL_MODULATE:
blendop = TEXBLENDOP_MODULATE;
break;
- case GL_ADD:
+ case GL_ADD:
blendop = TEXBLENDOP_ADD;
break;
case GL_ADD_SIGNED:
- blendop = TEXBLENDOP_ADDSIGNED;
+ blendop = TEXBLENDOP_ADDSIGNED;
break;
case GL_INTERPOLATE:
- blendop = TEXBLENDOP_BLEND;
+ blendop = TEXBLENDOP_BLEND;
break;
- case GL_SUBTRACT:
+ case GL_SUBTRACT:
blendop = TEXBLENDOP_SUBTRACT;
break;
case GL_DOT3_RGB_EXT:
case GL_DOT3_RGBA:
blendop = TEXBLENDOP_DOT3;
break;
- default:
- return pass_through( state, blendUnit );
+ default:
+ return pass_through(state, blendUnit);
}
blendop |= (rgb_shift << TEXOP_SCALE_SHIFT);
/* Handle RGB args */
- for(i = 0; i < 3; i++) {
- switch(combine->SourceRGB[i]) {
- case GL_TEXTURE:
- args_RGB[i] = texel_op;
- break;
+ for (i = 0; i < 3; i++) {
+ switch (combine->SourceRGB[i]) {
+ case GL_TEXTURE:
+ args_RGB[i] = texel_op;
+ break;
case GL_TEXTURE0:
case GL_TEXTURE1:
case GL_TEXTURE2:
case GL_TEXTURE3:
- args_RGB[i] = GetTexelOp( combine->SourceRGB[i] - GL_TEXTURE0 );
- break;
+ args_RGB[i] = GetTexelOp(combine->SourceRGB[i] - GL_TEXTURE0);
+ break;
case GL_CONSTANT:
- args_RGB[i] = TEXBLENDARG_FACTOR_N;
- need_factor = 1;
- break;
+ args_RGB[i] = TEXBLENDARG_FACTOR_N;
+ need_factor = 1;
+ break;
case GL_PRIMARY_COLOR:
- args_RGB[i] = TEXBLENDARG_DIFFUSE;
- break;
+ args_RGB[i] = TEXBLENDARG_DIFFUSE;
+ break;
case GL_PREVIOUS:
- args_RGB[i] = TEXBLENDARG_CURRENT;
- break;
- default:
- return pass_through( state, blendUnit );
+ args_RGB[i] = TEXBLENDARG_CURRENT;
+ break;
+ default:
+ return pass_through(state, blendUnit);
}
- switch(combine->OperandRGB[i]) {
- case GL_SRC_COLOR:
- args_RGB[i] |= 0;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- args_RGB[i] |= TEXBLENDARG_INV_ARG;
- break;
- case GL_SRC_ALPHA:
- args_RGB[i] |= TEXBLENDARG_REPLICATE_ALPHA;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- args_RGB[i] |= (TEXBLENDARG_REPLICATE_ALPHA |
- TEXBLENDARG_INV_ARG);
- break;
- default:
- return pass_through( state, blendUnit );
+ switch (combine->OperandRGB[i]) {
+ case GL_SRC_COLOR:
+ args_RGB[i] |= 0;
+ break;
+ case GL_ONE_MINUS_SRC_COLOR:
+ args_RGB[i] |= TEXBLENDARG_INV_ARG;
+ break;
+ case GL_SRC_ALPHA:
+ args_RGB[i] |= TEXBLENDARG_REPLICATE_ALPHA;
+ break;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ args_RGB[i] |= (TEXBLENDARG_REPLICATE_ALPHA | TEXBLENDARG_INV_ARG);
+ break;
+ default:
+ return pass_through(state, blendUnit);
}
}
* Note - the global factor is set up with alpha == .5, so
* the alpha part of the DOT4 calculation should be zero.
*/
- if ( combine->ModeRGB == GL_DOT3_RGBA_EXT ||
- combine->ModeRGB == GL_DOT3_RGBA ) {
+ if (combine->ModeRGB == GL_DOT3_RGBA_EXT ||
+ combine->ModeRGB == GL_DOT3_RGBA) {
ablendop = TEXBLENDOP_DOT4;
- args_A[0] = TEXBLENDARG_FACTOR; /* the global factor */
+ args_A[0] = TEXBLENDARG_FACTOR; /* the global factor */
args_A[1] = TEXBLENDARG_FACTOR;
args_A[2] = TEXBLENDARG_FACTOR;
}
else {
- switch(combine->ModeA) {
- case GL_REPLACE:
- ablendop = TEXBLENDOP_ARG1;
- break;
- case GL_MODULATE:
- ablendop = TEXBLENDOP_MODULATE;
- break;
- case GL_ADD:
- ablendop = TEXBLENDOP_ADD;
- break;
+ switch (combine->ModeA) {
+ case GL_REPLACE:
+ ablendop = TEXBLENDOP_ARG1;
+ break;
+ case GL_MODULATE:
+ ablendop = TEXBLENDOP_MODULATE;
+ break;
+ case GL_ADD:
+ ablendop = TEXBLENDOP_ADD;
+ break;
case GL_ADD_SIGNED:
- ablendop = TEXBLENDOP_ADDSIGNED;
- break;
+ ablendop = TEXBLENDOP_ADDSIGNED;
+ break;
case GL_INTERPOLATE:
- ablendop = TEXBLENDOP_BLEND;
- break;
- case GL_SUBTRACT:
- ablendop = TEXBLENDOP_SUBTRACT;
- break;
+ ablendop = TEXBLENDOP_BLEND;
+ break;
+ case GL_SUBTRACT:
+ ablendop = TEXBLENDOP_SUBTRACT;
+ break;
default:
- return pass_through( state, blendUnit );
+ return pass_through(state, blendUnit);
}
ablendop |= (alpha_shift << TEXOP_SCALE_SHIFT);
/* Handle A args */
- for(i = 0; i < 3; i++) {
- switch(combine->SourceA[i]) {
- case GL_TEXTURE:
- args_A[i] = texel_op;
- break;
- case GL_TEXTURE0:
- case GL_TEXTURE1:
- case GL_TEXTURE2:
- case GL_TEXTURE3:
- args_A[i] = GetTexelOp( combine->SourceA[i] - GL_TEXTURE0 );
- break;
- case GL_CONSTANT:
- args_A[i] = TEXBLENDARG_FACTOR_N;
- need_factor = 1;
- break;
- case GL_PRIMARY_COLOR:
- args_A[i] = TEXBLENDARG_DIFFUSE;
- break;
- case GL_PREVIOUS:
- args_A[i] = TEXBLENDARG_CURRENT;
- break;
- default:
- return pass_through( state, blendUnit );
- }
-
- switch(combine->OperandA[i]) {
- case GL_SRC_ALPHA:
- args_A[i] |= 0;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- args_A[i] |= TEXBLENDARG_INV_ARG;
- break;
- default:
- return pass_through( state, blendUnit );
- }
+ for (i = 0; i < 3; i++) {
+ switch (combine->SourceA[i]) {
+ case GL_TEXTURE:
+ args_A[i] = texel_op;
+ break;
+ case GL_TEXTURE0:
+ case GL_TEXTURE1:
+ case GL_TEXTURE2:
+ case GL_TEXTURE3:
+ args_A[i] = GetTexelOp(combine->SourceA[i] - GL_TEXTURE0);
+ break;
+ case GL_CONSTANT:
+ args_A[i] = TEXBLENDARG_FACTOR_N;
+ need_factor = 1;
+ break;
+ case GL_PRIMARY_COLOR:
+ args_A[i] = TEXBLENDARG_DIFFUSE;
+ break;
+ case GL_PREVIOUS:
+ args_A[i] = TEXBLENDARG_CURRENT;
+ break;
+ default:
+ return pass_through(state, blendUnit);
+ }
+
+ switch (combine->OperandA[i]) {
+ case GL_SRC_ALPHA:
+ args_A[i] |= 0;
+ break;
+ case GL_ONE_MINUS_SRC_ALPHA:
+ args_A[i] |= TEXBLENDARG_INV_ARG;
+ break;
+ default:
+ return pass_through(state, blendUnit);
+ }
}
}
used = 0;
state[used++] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
- TEXPIPE_COLOR |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- DISABLE_TEX_CNTRL_STAGE |
- TEXOP_MODIFY_PARMS |
- blendop);
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE | TEXOP_MODIFY_PARMS | blendop);
state[used++] = (_3DSTATE_MAP_BLEND_OP_CMD(blendUnit) |
- TEXPIPE_ALPHA |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- TEXOP_MODIFY_PARMS |
- ablendop);
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT | TEXOP_MODIFY_PARMS | ablendop);
- for ( i = 0 ; i < numColorArgs ; i++ ) {
+ for (i = 0; i < numColorArgs; i++) {
state[used++] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
- tex_blend_rgb[i] | args_RGB[i]);
+ tex_blend_rgb[i] | args_RGB[i]);
}
- for ( i = 0 ; i < numAlphaArgs ; i++ ) {
+ for (i = 0; i < numAlphaArgs; i++) {
state[used++] = (_3DSTATE_MAP_BLEND_ARG_CMD(blendUnit) |
- tex_blend_a[i] | args_A[i]);
+ tex_blend_a[i] | args_A[i]);
}
- if (need_factor)
- return emit_factor( blendUnit, state, used, factor );
- else
+ if (need_factor)
+ return emit_factor(blendUnit, state, used, factor);
+ else
return used;
}
-static void emit_texblend( i830ContextPtr i830, GLuint unit, GLuint blendUnit,
- GLboolean last_stage )
+static void
+emit_texblend(struct i830_context *i830, GLuint unit, GLuint blendUnit,
+ GLboolean last_stage)
{
struct gl_texture_unit *texUnit = &i830->intel.ctx.Texture.Unit[unit];
GLuint tmp[I830_TEXBLEND_SIZE], tmp_sz;
- if (0) fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit);
+ if (0)
+ fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit);
/* Update i830->state.TexBlend
- */
- tmp_sz = i830SetTexEnvCombine(i830, texUnit->_CurrentCombine, blendUnit,
- GetTexelOp(unit), tmp,
- texUnit->EnvColor );
+ */
+ tmp_sz = i830SetTexEnvCombine(i830, texUnit->_CurrentCombine, blendUnit,
+ GetTexelOp(unit), tmp, texUnit->EnvColor);
- if (last_stage)
+ if (last_stage)
tmp[0] |= TEXOP_LAST_STAGE;
if (tmp_sz != i830->state.TexBlendWordsUsed[blendUnit] ||
- memcmp( tmp, i830->state.TexBlend[blendUnit], tmp_sz * sizeof(GLuint))) {
-
- I830_STATECHANGE( i830, I830_UPLOAD_TEXBLEND(blendUnit) );
- memcpy( i830->state.TexBlend[blendUnit], tmp, tmp_sz * sizeof(GLuint));
+ memcmp(tmp, i830->state.TexBlend[blendUnit],
+ tmp_sz * sizeof(GLuint))) {
+
+ I830_STATECHANGE(i830, I830_UPLOAD_TEXBLEND(blendUnit));
+ memcpy(i830->state.TexBlend[blendUnit], tmp, tmp_sz * sizeof(GLuint));
i830->state.TexBlendWordsUsed[blendUnit] = tmp_sz;
}
I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(blendUnit), GL_TRUE);
}
-static void emit_passthrough( i830ContextPtr i830 )
+static void
+emit_passthrough(struct i830_context *i830)
{
GLuint tmp[I830_TEXBLEND_SIZE], tmp_sz;
GLuint unit = 0;
- tmp_sz = pass_through( tmp, unit );
+ tmp_sz = pass_through(tmp, unit);
tmp[0] |= TEXOP_LAST_STAGE;
if (tmp_sz != i830->state.TexBlendWordsUsed[unit] ||
- memcmp( tmp, i830->state.TexBlend[unit], tmp_sz * sizeof(GLuint))) {
-
- I830_STATECHANGE( i830, I830_UPLOAD_TEXBLEND(unit) );
- memcpy( i830->state.TexBlend[unit], tmp, tmp_sz * sizeof(GLuint));
+ memcmp(tmp, i830->state.TexBlend[unit], tmp_sz * sizeof(GLuint))) {
+
+ I830_STATECHANGE(i830, I830_UPLOAD_TEXBLEND(unit));
+ memcpy(i830->state.TexBlend[unit], tmp, tmp_sz * sizeof(GLuint));
i830->state.TexBlendWordsUsed[unit] = tmp_sz;
}
I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND(unit), GL_TRUE);
}
-void i830EmitTextureBlend( i830ContextPtr i830 )
+void
+i830EmitTextureBlend(struct i830_context *i830)
{
- GLcontext *ctx = &i830->intel.ctx;
+ struct gl_context *ctx = &i830->intel.ctx;
GLuint unit, last_stage = 0, blendunit = 0;
I830_ACTIVESTATE(i830, I830_UPLOAD_TEXBLEND_ALL, GL_FALSE);
if (ctx->Texture._EnabledUnits) {
- for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++)
- if (ctx->Texture.Unit[unit]._ReallyEnabled)
- last_stage = unit;
+ for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++)
+ if (ctx->Texture.Unit[unit]._ReallyEnabled)
+ last_stage = unit;
- for (unit = 0 ; unit < ctx->Const.MaxTextureUnits ; unit++)
- if (ctx->Texture.Unit[unit]._ReallyEnabled)
- emit_texblend( i830, unit, blendunit++, last_stage == unit );
+ for (unit = 0; unit < ctx->Const.MaxTextureUnits; unit++)
+ if (ctx->Texture.Unit[unit]._ReallyEnabled)
+ emit_texblend(i830, unit, blendunit++, last_stage == unit);
}
else {
- emit_passthrough( i830 );
+ emit_passthrough(i830);
}
}
-
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