available units is configurable via the texture_units option.
#include "utils.h"
+#include "xmlpool.h" /* for symbolic values of enum-type options */
#ifndef I830_DEBUG
int I830_DEBUG = (0);
#endif
#define DRIVER_DATE "20040506"
-const char __driConfigOptions[] = { 0 };
-const GLuint __driNConfigOptions = 0;
-
static const GLubyte *i830DDGetString( GLcontext *ctx, GLenum name )
{
const char * chipset;
imesa->sarea = saPriv;
imesa->glBuffer = NULL;
+ driParseConfigFiles (&imesa->optionCache, &screen->optionCache,
+ screen->driScrnPriv->myNum, "i830");
(void) memset( imesa->texture_heaps, 0, sizeof( imesa->texture_heaps ) );
make_empty_list( & imesa->swapped );
sizeof( struct i830_texture_object_t ),
(destroy_texture_object_t *) i830DestroyTexObj );
-
/* Set the maximum texture size small enough that we can guarantee
- * that both texture units can bind a maximal texture and have them
+ * that every texture unit can bind a maximal texture and have them
* in memory at once.
*/
ctx = imesa->glCtx;
- ctx->Const.MaxTextureUnits = 2;
- ctx->Const.MaxTextureImageUnits = 2;
- ctx->Const.MaxTextureCoordUnits = 2;
+ ctx->Const.MaxTextureUnits = driQueryOptioni(&imesa->optionCache,
+ "texture_units");
+ ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits;
+ ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits;
/* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are tightly
* FIXME: packed, but they're not in Intel graphics hardware.
GLboolean i830UnbindContext(__DRIcontextPrivate *driContextPriv)
{
i830ContextPtr imesa = (i830ContextPtr) driContextPriv->driverPrivate;
+ unsigned i;
+
if (imesa) {
/* Might want to change this so texblend isn't always updated */
imesa->dirty |= (I830_UPLOAD_CTX |
I830_UPLOAD_BUFFERS |
I830_UPLOAD_STIPPLE |
I830_UPLOAD_TEXBLEND0 |
- I830_UPLOAD_TEXBLEND1);
+ I830_UPLOAD_TEXBLEND1 |
+ I830_UPLOAD_TEXBLEND2 |
+ I830_UPLOAD_TEXBLEND3);
- if (imesa->CurrentTexObj[0]) imesa->dirty |= I830_UPLOAD_TEX0;
- if (imesa->CurrentTexObj[1]) imesa->dirty |= I830_UPLOAD_TEX1;
+ for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
+ if (imesa->CurrentTexObj[i]) imesa->dirty |= I830_UPLOAD_TEX_N( i );
+ }
}
return GL_TRUE;
}
I830_UPLOAD_BUFFERS |
I830_UPLOAD_STIPPLE);
- if(imesa->CurrentTexObj[0]) imesa->dirty |= I830_UPLOAD_TEX0;
- if(imesa->CurrentTexObj[1]) imesa->dirty |= I830_UPLOAD_TEX1;
- if(imesa->TexBlendWordsUsed[0]) imesa->dirty |= I830_UPLOAD_TEXBLEND0;
- if(imesa->TexBlendWordsUsed[1]) imesa->dirty |= I830_UPLOAD_TEXBLEND1;
+ for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
+ if(imesa->CurrentTexObj[i]) imesa->dirty |= I830_UPLOAD_TEX_N( i );
+ if(imesa->TexBlendWordsUsed[i]) imesa->dirty |= I830_UPLOAD_TEXBLEND_N( i );
+ }
sarea->perf_boxes = imesa->perf_boxes | I830_BOX_LOST_CONTEXT;
sarea->ctxOwner = me;
typedef void (*i830_line_func)(i830ContextPtr, i830Vertex *, i830Vertex *);
typedef void (*i830_point_func)(i830ContextPtr, i830Vertex *);
+#define I830_MAX_TEXTURE_UNITS 4
+
#define I830_FALLBACK_TEXTURE 0x1
#define I830_FALLBACK_DRAW_BUFFER 0x2
#define I830_FALLBACK_READ_BUFFER 0x4
/*From I830 stuff*/
int TextureMode;
GLuint renderindex;
- GLuint TexBlendWordsUsed[I830_TEXBLEND_COUNT];
- GLuint TexBlend[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
- GLuint Init_TexBlend[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE];
- GLuint Init_TexBlendWordsUsed[I830_TEXBLEND_COUNT];
- GLuint Init_TexBlendColorPipeNum[I830_TEXBLEND_COUNT];
- GLuint TexBlendColorPipeNum[I830_TEXBLEND_COUNT];
+ GLuint TexBlendWordsUsed[I830_MAX_TEXTURE_UNITS];
+ GLuint TexBlend[I830_MAX_TEXTURE_UNITS][I830_TEXBLEND_SIZE];
+ GLuint Init_TexBlend[I830_MAX_TEXTURE_UNITS][I830_TEXBLEND_SIZE];
+ GLuint Init_TexBlendWordsUsed[I830_MAX_TEXTURE_UNITS];
+ GLuint Init_TexBlendColorPipeNum[I830_MAX_TEXTURE_UNITS];
+ GLuint TexBlendColorPipeNum[I830_MAX_TEXTURE_UNITS];
GLuint Init_BufferSetup[I830_DEST_SETUP_SIZE];
- GLuint LodBias[2];
+ GLuint LodBias[I830_MAX_TEXTURE_UNITS];
GLenum palette_format;
GLuint palette[256];
driTexHeap * texture_heaps[1];
driTextureObject swapped;
- struct i830_texture_object_t *CurrentTexObj[2];
+ struct i830_texture_object_t *CurrentTexObj[I830_MAX_TEXTURE_UNITS];
/* Rasterization and vertex state:
*/
__DRIscreenPrivate *driScreen;
i830ScreenPrivate *i830Screen;
I830SAREAPtr sarea;
+
+ /**
+ * Configuration cache
+ */
+ driOptionCache optionCache;
};
for(i = 0; i < I830_TEXTURE_COUNT; i++) {
if ((imesa->dirty & I830_UPLOAD_TEX_N(i)) && imesa->CurrentTexObj[i]) {
+ unsigned * TexState;
+
imesa->sarea->dirty |= I830_UPLOAD_TEX_N(i);
- memcpy(imesa->sarea->TexState[i],
- imesa->CurrentTexObj[i]->Setup,
+
+ switch( i ) {
+ case 0:
+ case 1:
+ TexState = & imesa->sarea->TexState[i];
+ break;
+
+ case 2:
+ TexState = & imesa->sarea->TexState2;
+ break;
+
+ case 3:
+ TexState = & imesa->sarea->TexState3;
+ break;
+ }
+
+ memcpy(TexState, imesa->CurrentTexObj[i]->Setup,
sizeof(imesa->sarea->TexState[i]));
i830DumpTextureState(imesa, i);
}
for(i = 0; i < I830_TEXBLEND_COUNT; i++) {
if (imesa->dirty & I830_UPLOAD_TEXBLEND_N(i)) {
+ unsigned * TexBlendState;
+ unsigned * words_used;
+
imesa->sarea->dirty |= I830_UPLOAD_TEXBLEND_N(i);
- memcpy(imesa->sarea->TexBlendState[i],imesa->TexBlend[i],
+
+ switch( i ) {
+ case 0:
+ case 1:
+ TexBlendState = imesa->sarea->TexBlendState[i];
+ words_used = & imesa->sarea->TexBlendStateWordsUsed[i];
+ break;
+
+ case 2:
+ TexBlendState = imesa->sarea->TexBlendState2;
+ words_used = & imesa->sarea->TexBlendStateWordsUsed2;
+ break;
+
+ case 3:
+ TexBlendState = imesa->sarea->TexBlendState3;
+ words_used = & imesa->sarea->TexBlendStateWordsUsed3;
+ break;
+ }
+
+ memcpy(TexBlendState, imesa->TexBlend[i],
imesa->TexBlendWordsUsed[i] * 4);
- imesa->sarea->TexBlendStateWordsUsed[i] =
- imesa->TexBlendWordsUsed[i];
+ *words_used = imesa->TexBlendWordsUsed[i];
+
i830DumpTextureBlendState(imesa, i);
}
}
#include "i830_dri.h"
+#include "xmlpool.h"
+
+const char __driConfigOptions[] =
+DRI_CONF_BEGIN
+ DRI_CONF_SECTION_PERFORMANCE
+ DRI_CONF_MAX_TEXTURE_UNITS(4,2,4)
+ DRI_CONF_SECTION_END
+DRI_CONF_END;
+const GLuint __driNConfigOptions = 1;
+
static int i830_malloc_proxy_buf(drmBufMapPtr buffers)
{
return GL_FALSE;
}
+ /* parse information in __driConfigOptions */
+ driParseOptionInfo (&i830Screen->optionCache,
+ __driConfigOptions, __driNConfigOptions);
+
+
i830Screen->driScrnPriv = sPriv;
sPriv->private = (void *)i830Screen;
#include <sys/time.h>
#include "dri_util.h"
+#include "xmlconfig.h"
typedef struct {
int drmMinor;
int irq_active;
+
+ /**
+ * Configuration cache with default values for all contexts
+ */
+ driOptionCache optionCache;
}i830ScreenPrivate;
void i830PrintDirty( const char *msg, GLuint state )
{
- fprintf(stderr, "%s (0x%x): %s%s%s%s%s%s%s\n",
+ fprintf(stderr, "%s (0x%x): %s%s%s%s%s%s%s%s%s%s%s\n",
msg,
(unsigned int) state,
(state & I830_UPLOAD_TEX0) ? "upload-tex0, " : "",
(state & I830_UPLOAD_TEX1) ? "upload-tex1, " : "",
+ (state & I830_UPLOAD_TEX2) ? "upload-tex2, " : "",
+ (state & I830_UPLOAD_TEX3) ? "upload-tex3, " : "",
(state & I830_UPLOAD_CTX) ? "upload-ctx, " : "",
(state & I830_UPLOAD_BUFFERS) ? "upload-bufs, " : "",
(state & I830_UPLOAD_TEXBLEND0) ? "upload-blend0, " : "",
(state & I830_UPLOAD_TEXBLEND1) ? "upload-blend1, " : "",
+ (state & I830_UPLOAD_TEXBLEND2) ? "upload-blend2, " : "",
+ (state & I830_UPLOAD_TEXBLEND3) ? "upload-blend3, " : "",
(state & I830_UPLOAD_STIPPLE) ? "stipple, " : ""
);
}
if (I830_DEBUG & DEBUG_STATE)
i830PrintDirty( __FUNCTION__, imesa->dirty );
- if ((imesa->dirty & I830_UPLOAD_TEX0_IMAGE) && imesa->CurrentTexObj[0])
- i830UploadTexImagesLocked(imesa, imesa->CurrentTexObj[0]);
- if ((imesa->dirty & I830_UPLOAD_TEX1_IMAGE) && imesa->CurrentTexObj[1])
- i830UploadTexImagesLocked(imesa, imesa->CurrentTexObj[1]);
+ for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
+ if ( ((imesa->dirty & I830_UPLOAD_TEX_N_IMAGE( i )) != 0)
+ && (imesa->CurrentTexObj[i] != NULL) ) {
+ i830UploadTexImagesLocked(imesa, imesa->CurrentTexObj[i]);
+ }
+ }
+
if (imesa->dirty & I830_UPLOAD_CTX) {
memcpy( imesa->sarea->ContextState,
imesa->Setup, sizeof(imesa->Setup) );
}
- for (i = 0; i < I830_TEXTURE_COUNT; i++) {
+ for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
if ((imesa->dirty & I830_UPLOAD_TEX_N(i)) && imesa->CurrentTexObj[i]) {
+ unsigned * TexState;
+
imesa->sarea->dirty |= I830_UPLOAD_TEX_N(i);
- memcpy(imesa->sarea->TexState[i],
- imesa->CurrentTexObj[i]->Setup,
+
+ switch( i ) {
+ case 0:
+ case 1:
+ TexState = imesa->sarea->TexState[i];
+ break;
+
+ case 2:
+ TexState = imesa->sarea->TexState2;
+ break;
+
+ case 3:
+ TexState = imesa->sarea->TexState3;
+ break;
+ }
+
+ memcpy(TexState, imesa->CurrentTexObj[i]->Setup,
sizeof(imesa->sarea->TexState[i]));
- imesa->sarea->TexState[i][I830_TEXREG_TM0S3] &= ~TM0S3_LOD_BIAS_MASK;
- imesa->sarea->TexState[i][I830_TEXREG_TM0S3] |= imesa->LodBias[i];
+ TexState[I830_TEXREG_TM0S3] &= ~TM0S3_LOD_BIAS_MASK;
+ TexState[I830_TEXREG_TM0S3] |= imesa->LodBias[i];
/* Update the LRU usage */
if (imesa->CurrentTexObj[i]->base.memBlock)
}
/* Need to figure out if texturing state, or enable changed. */
- for (i = 0; i < I830_TEXBLEND_COUNT; i++) {
+ for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
if (imesa->dirty & I830_UPLOAD_TEXBLEND_N(i)) {
+ unsigned * TexBlendState;
+ unsigned * words_used;
+
imesa->sarea->dirty |= I830_UPLOAD_TEXBLEND_N(i);
- memcpy(imesa->sarea->TexBlendState[i],imesa->TexBlend[i],
+
+ switch( i ) {
+ case 0:
+ case 1:
+ TexBlendState = imesa->sarea->TexBlendState[i];
+ words_used = & imesa->sarea->TexBlendStateWordsUsed[i];
+ break;
+
+ case 2:
+ TexBlendState = imesa->sarea->TexBlendState2;
+ words_used = & imesa->sarea->TexBlendStateWordsUsed2;
+ break;
+
+ case 3:
+ TexBlendState = imesa->sarea->TexBlendState3;
+ words_used = & imesa->sarea->TexBlendStateWordsUsed3;
+ break;
+ }
+
+ memcpy(TexBlendState, imesa->TexBlend[i],
imesa->TexBlendWordsUsed[i] * 4);
- imesa->sarea->TexBlendStateWordsUsed[i] =
- imesa->TexBlendWordsUsed[i];
+ *words_used = imesa->TexBlendWordsUsed[i];
}
}
imesa->mask_alpha = GL_FALSE;
/* Zero all texture state */
- for (i = 0; i < I830_TEXBLEND_COUNT; i++) {
- for (j = 0; j < I830_TEXBLEND_SIZE; j++) {
- imesa->TexBlend[i][j] = 0;
- imesa->Init_TexBlend[i][j] = 0;
- }
+ for (i = 0; i < I830_MAX_TEXTURE_UNITS; i++) {
+ (void) memset( imesa->TexBlend[i], 0, sizeof( imesa->TexBlend[i] ) );
+ (void) memset( imesa->Init_TexBlend[i], 0, sizeof( imesa->Init_TexBlend[i] ) );
+
imesa->TexBlendWordsUsed[i] = 0;
imesa->Init_TexBlendWordsUsed[i] = 0;
imesa->TexBlendColorPipeNum[i] = 0;
for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
if ( t == imesa->CurrentTexObj[ i ] ) {
imesa->CurrentTexObj[ i ] = NULL;
- imesa->dirty &= ~(I830_UPLOAD_TEX0 << i);
+ imesa->dirty &= ~I830_UPLOAD_TEX_N( i );
}
}
}
int i830UploadTexImagesLocked( i830ContextPtr imesa, i830TextureObjectPtr t )
{
int ofs;
+ int i;
if ( t->base.memBlock == NULL ) {
int heap;
t->Setup[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE |
(imesa->i830Screen->textureOffset + ofs));
- if (t == imesa->CurrentTexObj[0])
- imesa->dirty |= I830_UPLOAD_TEX0;
-
- if (t == imesa->CurrentTexObj[1])
- imesa->dirty |= I830_UPLOAD_TEX1;
-#if 0
- if (t == imesa->CurrentTexObj[2])
- I830_STATECHANGE(imesa, I830_UPLOAD_TEX2);
-
- if (t == imesa->CurrentTexObj[3])
- I830_STATECHANGE(imesa, I830_UPLOAD_TEX3);
-#endif
+ for ( i = 0 ; i < imesa->glCtx->Const.MaxTextureUnits ; i++ ) {
+ if (t == imesa->CurrentTexObj[i]) {
+ imesa->dirty |= I830_UPLOAD_TEX_N( i );
+ }
+ }
}
/* Upload any images that are new */
if (t->base.dirty_images[0]) {
- int i;
const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
for (i = 0 ; i < numLevels ; i++) {
t->Setup[I830_TEXREG_TM0S3] &= ~TM0S3_MAX_MIP_MASK;
t->Setup[I830_TEXREG_TM0S3] &= ~TM0S3_MIN_MIP_MASK;
t->Setup[I830_TEXREG_TM0S3] |= ((numLevels - 1)*4) << TM0S3_MIN_MIP_SHIFT;
- t->dirty = I830_UPLOAD_TEX0 | I830_UPLOAD_TEX1;
+ t->dirty = I830_UPLOAD_TEX0 | I830_UPLOAD_TEX1
+ | I830_UPLOAD_TEX2 | I830_UPLOAD_TEX3;
LOCK_HARDWARE( imesa );
i830UploadTexImagesLocked( imesa, t );
* \c GL_ZERO as combine inputs (which the code already supports). It can
* also handle the \c GL_MODULATE_ADD_ATI mode. Is it worth investigating
* partial support for the extension?
+ *
+ * \todo
+ * Some thought needs to be put into the way combiners work. The driver
+ * treats the hardware as if there's a specific combine unit tied to each
+ * texture unit. That's why there's the special case for a disabled texture
+ * unit. That's not the way the hardware works. In reality, there are 4
+ * texture units and four general instruction slots. Each instruction slot
+ * can use any texture as an input. There's no need for this wierd "no-op"
+ * stuff. If texture units 0 and 3 are enabled, the instructions to combine
+ * them should be in slots 0 and 1, not 0 and 3 with two no-ops inbetween.
*/
static void i830UpdateTexEnv( GLcontext *ctx, GLuint unit )
_mesa_lookup_enum_by_nr(texUnit->EnvMode));
- switch(texUnit->_CurrentCombine->ModeRGB) {
- case GL_REPLACE:
- blendop = TEXBLENDOP_ARG1;
- break;
- case GL_MODULATE:
- blendop = TEXBLENDOP_MODULATE;
- break;
- case GL_ADD:
- blendop = TEXBLENDOP_ADD;
- break;
- case GL_ADD_SIGNED:
- blendop = TEXBLENDOP_ADDSIGNED;
- break;
- case GL_INTERPOLATE:
- blendop = TEXBLENDOP_BLEND;
- break;
- case GL_SUBTRACT:
- blendop = TEXBLENDOP_SUBTRACT;
- break;
- case GL_DOT3_RGB_EXT:
- case GL_DOT3_RGBA_EXT:
- /* The EXT version of the DOT3 extension does not support the
- * scale factor, but the ARB version (and the version in OpenGL
- * 1.3) does.
- */
- rgb_shift = 0;
- alpha_shift = 0;
- /* FALLTHROUGH */
-
- case GL_DOT3_RGB:
- case GL_DOT3_RGBA:
- blendop = TEXBLENDOP_DOT3;
- break;
- default:
- return;
+ if ( !texUnit->_ReallyEnabled ) {
+ imesa->TexBlend[unit][0] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ imesa->TexBlend[unit][1] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_SCALE_1X |
+ TEXOP_MODIFY_PARMS |
+ TEXBLENDOP_ARG1);
+ imesa->TexBlend[unit][2] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
+ TEXPIPE_COLOR |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ imesa->TexBlend[unit][3] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
+ TEXPIPE_ALPHA |
+ TEXBLEND_ARG1 |
+ TEXBLENDARG_MODIFY_PARMS |
+ TEXBLENDARG_CURRENT);
+ imesa->TexBlendColorPipeNum[unit] = 0;
+ imesa->TexBlendWordsUsed[unit] = 4;
}
-
- blendop |= (rgb_shift << TEXOP_SCALE_SHIFT);
-
- switch(texUnit->_CurrentCombine->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;
- case GL_INTERPOLATE:
- ablendop = TEXBLENDOP_BLEND;
- break;
- case GL_SUBTRACT:
- ablendop = TEXBLENDOP_SUBTRACT;
+ else {
+ switch(texUnit->_CurrentCombine->ModeRGB) {
+ case GL_REPLACE:
+ blendop = TEXBLENDOP_ARG1;
break;
- default:
- return;
- }
-
- if ( (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA_EXT)
- || (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA) ) {
- ablendop = TEXBLENDOP_DOT3;
- }
-
- ablendop |= (alpha_shift << TEXOP_SCALE_SHIFT);
-
- /* Handle RGB args */
- for( i = 0 ; i < numColorArgs ; i++ ) {
- const int op = texUnit->_CurrentCombine->OperandRGB[i] - GL_SRC_COLOR;
-
- assert( (op >= 0) && (op <= 3) );
- switch(texUnit->_CurrentCombine->SourceRGB[i]) {
- case GL_TEXTURE:
- args_RGB[i] = TEXBLENDARG_TEXEL0 + unit;
- break;
- case GL_TEXTURE0:
- case GL_TEXTURE1:
- case GL_TEXTURE2:
- case GL_TEXTURE3:
- args_RGB[i] = TEXBLENDARG_TEXEL0
- + (texUnit->_CurrentCombine->SourceRGB[i] & 0x03);
+ case GL_MODULATE:
+ blendop = TEXBLENDOP_MODULATE;
break;
- case GL_CONSTANT:
- args_RGB[i] = TEXBLENDARG_FACTOR_N;
- need_constant_color = GL_TRUE;
+ case GL_ADD:
+ blendop = TEXBLENDOP_ADD;
break;
- case GL_PRIMARY_COLOR:
- args_RGB[i] = TEXBLENDARG_DIFFUSE;
+ case GL_ADD_SIGNED:
+ blendop = TEXBLENDOP_ADDSIGNED;
break;
- case GL_PREVIOUS:
- args_RGB[i] = TEXBLENDARG_CURRENT;
+ case GL_INTERPOLATE:
+ blendop = TEXBLENDOP_BLEND;
break;
- case GL_ONE:
- args_RGB[i] = TEXBLENDARG_ONE;
+ case GL_SUBTRACT:
+ blendop = TEXBLENDOP_SUBTRACT;
break;
- case GL_ZERO:
- args_RGB[i] = TEXBLENDARG_ONE | TEXBLENDARG_INV_ARG;
+ case GL_DOT3_RGB_EXT:
+ case GL_DOT3_RGBA_EXT:
+ /* The EXT version of the DOT3 extension does not support the
+ * scale factor, but the ARB version (and the version in OpenGL
+ * 1.3) does.
+ */
+ rgb_shift = 0;
+ alpha_shift = 0;
+ /* FALLTHROUGH */
+
+ case GL_DOT3_RGB:
+ case GL_DOT3_RGBA:
+ blendop = TEXBLENDOP_DOT3;
break;
- default:
+ default:
return;
}
- /* Xor is used so that GL_ONE_MINUS_SRC_COLOR with GL_ZERO
- * works correctly.
- */
- args_RGB[i] ^= op_rgb[op];
- }
-
- /* Handle A args */
- for( i = 0 ; i < numAlphaArgs ; i++ ) {
- const int op = texUnit->_CurrentCombine->OperandA[i] - GL_SRC_ALPHA;
+ blendop |= (rgb_shift << TEXOP_SCALE_SHIFT);
- assert( (op >= 0) && (op <= 1) );
- switch(texUnit->_CurrentCombine->SourceA[i]) {
- case GL_TEXTURE:
- args_A[i] = TEXBLENDARG_TEXEL0 + unit;
+ switch(texUnit->_CurrentCombine->ModeA) {
+ case GL_REPLACE:
+ ablendop = TEXBLENDOP_ARG1;
break;
- case GL_TEXTURE0:
- case GL_TEXTURE1:
- case GL_TEXTURE2:
- case GL_TEXTURE3:
- args_A[i] = TEXBLENDARG_TEXEL0
- + (texUnit->_CurrentCombine->SourceA[i] & 0x03);
+ case GL_MODULATE:
+ ablendop = TEXBLENDOP_MODULATE;
break;
- case GL_CONSTANT:
- args_A[i] = TEXBLENDARG_FACTOR_N;
- need_constant_color = GL_TRUE;
+ case GL_ADD:
+ ablendop = TEXBLENDOP_ADD;
break;
- case GL_PRIMARY_COLOR:
- args_A[i] = TEXBLENDARG_DIFFUSE;
+ case GL_ADD_SIGNED:
+ ablendop = TEXBLENDOP_ADDSIGNED;
break;
- case GL_PREVIOUS:
- args_A[i] = TEXBLENDARG_CURRENT;
+ case GL_INTERPOLATE:
+ ablendop = TEXBLENDOP_BLEND;
break;
- case GL_ONE:
- args_A[i] = TEXBLENDARG_ONE;
+ case GL_SUBTRACT:
+ ablendop = TEXBLENDOP_SUBTRACT;
break;
- case GL_ZERO:
- args_A[i] = TEXBLENDARG_ONE | TEXBLENDARG_INV_ARG;
- break;
- default:
+ default:
return;
}
- /* We cheat. :) The register values for this are the same as for
- * RGB. Xor is used so that GL_ONE_MINUS_SRC_ALPHA with GL_ZERO
- * works correctly.
- */
- args_A[i] ^= op_rgb[op];
- }
+ if ( (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA_EXT)
+ || (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA) ) {
+ ablendop = TEXBLENDOP_DOT3;
+ }
- /* Native Arg1 == Arg0 in GL_EXT_texture_env_combine spec */
- /* Native Arg2 == Arg1 in GL_EXT_texture_env_combine spec */
- /* Native Arg0 == Arg2 in GL_EXT_texture_env_combine spec */
+ ablendop |= (alpha_shift << TEXOP_SCALE_SHIFT);
+
+ /* Handle RGB args */
+ for( i = 0 ; i < numColorArgs ; i++ ) {
+ const int op = texUnit->_CurrentCombine->OperandRGB[i] - GL_SRC_COLOR;
+
+ assert( (op >= 0) && (op <= 3) );
+ switch(texUnit->_CurrentCombine->SourceRGB[i]) {
+ case GL_TEXTURE:
+ args_RGB[i] = TEXBLENDARG_TEXEL0 + unit;
+ break;
+ case GL_TEXTURE0:
+ case GL_TEXTURE1:
+ case GL_TEXTURE2:
+ case GL_TEXTURE3:
+ args_RGB[i] = TEXBLENDARG_TEXEL0
+ + (texUnit->_CurrentCombine->SourceRGB[i] & 0x03);
+ break;
+ case GL_CONSTANT:
+ args_RGB[i] = TEXBLENDARG_FACTOR_N;
+ need_constant_color = GL_TRUE;
+ break;
+ case GL_PRIMARY_COLOR:
+ args_RGB[i] = TEXBLENDARG_DIFFUSE;
+ break;
+ case GL_PREVIOUS:
+ args_RGB[i] = TEXBLENDARG_CURRENT;
+ break;
+ case GL_ONE:
+ args_RGB[i] = TEXBLENDARG_ONE;
+ break;
+ case GL_ZERO:
+ args_RGB[i] = TEXBLENDARG_ONE | TEXBLENDARG_INV_ARG;
+ break;
+ default:
+ return;
+ }
+
+ /* Xor is used so that GL_ONE_MINUS_SRC_COLOR with GL_ZERO
+ * works correctly.
+ */
+ args_RGB[i] ^= op_rgb[op];
+ }
- /* When we render we need to figure out which is the last really enabled
- * tex unit, and put last stage on it
- */
+ /* Handle A args */
+ for( i = 0 ; i < numAlphaArgs ; i++ ) {
+ const int op = texUnit->_CurrentCombine->OperandA[i] - GL_SRC_ALPHA;
+
+ assert( (op >= 0) && (op <= 1) );
+ switch(texUnit->_CurrentCombine->SourceA[i]) {
+ case GL_TEXTURE:
+ args_A[i] = TEXBLENDARG_TEXEL0 + unit;
+ break;
+ case GL_TEXTURE0:
+ case GL_TEXTURE1:
+ case GL_TEXTURE2:
+ case GL_TEXTURE3:
+ args_A[i] = TEXBLENDARG_TEXEL0
+ + (texUnit->_CurrentCombine->SourceA[i] & 0x03);
+ break;
+ case GL_CONSTANT:
+ args_A[i] = TEXBLENDARG_FACTOR_N;
+ need_constant_color = GL_TRUE;
+ break;
+ case GL_PRIMARY_COLOR:
+ args_A[i] = TEXBLENDARG_DIFFUSE;
+ break;
+ case GL_PREVIOUS:
+ args_A[i] = TEXBLENDARG_CURRENT;
+ break;
+ case GL_ONE:
+ args_A[i] = TEXBLENDARG_ONE;
+ break;
+ case GL_ZERO:
+ args_A[i] = TEXBLENDARG_ONE | TEXBLENDARG_INV_ARG;
+ break;
+ default:
+ return;
+ }
+
+ /* We cheat. :) The register values for this are the same as for
+ * RGB. Xor is used so that GL_ONE_MINUS_SRC_ALPHA with GL_ZERO
+ * works correctly.
+ */
+ args_A[i] ^= op_rgb[op];
+ }
- imesa->TexBlendColorPipeNum[unit] = 0;
-
- /* Build color pipeline */
-
- used = 0;
- imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
- TEXPIPE_COLOR |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- DISABLE_TEX_CNTRL_STAGE |
- TEXOP_MODIFY_PARMS |
- blendop);
-
- imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
- TEXPIPE_ALPHA |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- TEXOP_MODIFY_PARMS |
- ablendop);
-
- for ( i = 0 ; i < numColorArgs ; i++ ) {
- imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
- tex_blend_rgb[i] |
- args_RGB[i]);
- }
+ /* Native Arg1 == Arg0 in GL_EXT_texture_env_combine spec */
+ /* Native Arg2 == Arg1 in GL_EXT_texture_env_combine spec */
+ /* Native Arg0 == Arg2 in GL_EXT_texture_env_combine spec */
- for ( i = 0 ; i < numAlphaArgs ; i++ ) {
- imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
- tex_blend_a[i] |
- args_A[i]);
- }
+ /* When we render we need to figure out which is the last really enabled
+ * tex unit, and put last stage on it
+ */
+ imesa->TexBlendColorPipeNum[unit] = 0;
+ used = 0;
+
+ /* Build color pipeline */
+
+ imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
+ TEXPIPE_COLOR |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ DISABLE_TEX_CNTRL_STAGE |
+ TEXOP_MODIFY_PARMS |
+ blendop);
+
+ imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
+ TEXPIPE_ALPHA |
+ ENABLE_TEXOUTPUT_WRT_SEL |
+ TEXOP_OUTPUT_CURRENT |
+ TEXOP_MODIFY_PARMS |
+ ablendop);
+
+ for ( i = 0 ; i < numColorArgs ; i++ ) {
+ imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
+ tex_blend_rgb[i] |
+ args_RGB[i]);
+ }
- if ( need_constant_color ) {
- GLubyte r, g, b, a;
- const GLfloat * const fc = texUnit->EnvColor;
+ for ( i = 0 ; i < numAlphaArgs ; i++ ) {
+ imesa->TexBlend[unit][used++] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
+ tex_blend_a[i] |
+ args_A[i]);
+ }
- FLOAT_COLOR_TO_UBYTE_COLOR(r, fc[RCOMP]);
- FLOAT_COLOR_TO_UBYTE_COLOR(g, fc[GCOMP]);
- FLOAT_COLOR_TO_UBYTE_COLOR(b, fc[BCOMP]);
- FLOAT_COLOR_TO_UBYTE_COLOR(a, fc[ACOMP]);
- imesa->TexBlend[unit][used++] = STATE3D_COLOR_FACTOR_CMD(unit);
- imesa->TexBlend[unit][used++] = ((a << 24) | (r << 16) | (g << 8) | b);
+ if ( need_constant_color ) {
+ GLubyte r, g, b, a;
+ const GLfloat * const fc = texUnit->EnvColor;
+
+ FLOAT_COLOR_TO_UBYTE_COLOR(r, fc[RCOMP]);
+ FLOAT_COLOR_TO_UBYTE_COLOR(g, fc[GCOMP]);
+ FLOAT_COLOR_TO_UBYTE_COLOR(b, fc[BCOMP]);
+ FLOAT_COLOR_TO_UBYTE_COLOR(a, fc[ACOMP]);
+
+ imesa->TexBlend[unit][used++] = STATE3D_COLOR_FACTOR_CMD(unit);
+ imesa->TexBlend[unit][used++] = ((a << 24) | (r << 16) | (g << 8) | b);
+ }
+
+ imesa->TexBlendWordsUsed[unit] = used;
}
- imesa->TexBlendWordsUsed[unit] = used;
I830_STATECHANGE( imesa, I830_UPLOAD_TEXBLEND_N(unit) );
}
imesa->CurrentTexObj[unit]->base.bound &= ~(1U << unit);
}
- I830_STATECHANGE(imesa, (I830_UPLOAD_TEX0<<unit));
+ I830_STATECHANGE( imesa, I830_UPLOAD_TEX_N(unit) );
imesa->CurrentTexObj[unit] = t;
i830TexSetUnit(t, unit);
}
mcs |= TEXCOORDS_ARE_IN_TEXELUNITS;
if (mcs != t->Setup[I830_TEXREG_MCS]) {
- I830_STATECHANGE(imesa, (I830_UPLOAD_TEX0<<unit));
+ I830_STATECHANGE( imesa, I830_UPLOAD_TEX_N(unit) );
t->Setup[I830_TEXREG_MCS] = mcs;
}
mcs |= TEXCOORDS_ARE_NORMAL;
if (mcs != t->Setup[I830_TEXREG_MCS]) {
- I830_STATECHANGE(imesa, (I830_UPLOAD_TEX0<<unit));
+ I830_STATECHANGE( imesa, I830_UPLOAD_TEX_N(unit) );
t->Setup[I830_TEXREG_MCS] = mcs;
}
}
-static GLboolean disable_tex0( GLcontext *ctx )
+static GLboolean disable_tex( GLcontext *ctx, int unit )
{
- const int unit = 0;
i830ContextPtr imesa = I830_CONTEXT(ctx);
/* This is happening too often. I need to conditionally send diffuse
imesa->TexEnvImageFmt[unit] = 0;
imesa->dirty &= ~(I830_UPLOAD_TEX_N(unit));
- imesa->TexBlend[unit][0] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
- TEXPIPE_COLOR |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- DISABLE_TEX_CNTRL_STAGE |
- TEXOP_SCALE_1X |
- TEXOP_MODIFY_PARMS |
- TEXBLENDOP_ARG1);
- imesa->TexBlend[unit][1] = (STATE3D_MAP_BLEND_OP_CMD(unit) |
- TEXPIPE_ALPHA |
- ENABLE_TEXOUTPUT_WRT_SEL |
- TEXOP_OUTPUT_CURRENT |
- TEXOP_SCALE_1X |
- TEXOP_MODIFY_PARMS |
- TEXBLENDOP_ARG1);
- imesa->TexBlend[unit][2] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
- TEXPIPE_COLOR |
- TEXBLEND_ARG1 |
- TEXBLENDARG_MODIFY_PARMS |
- TEXBLENDARG_CURRENT);
- imesa->TexBlend[unit][3] = (STATE3D_MAP_BLEND_ARG_CMD(unit) |
- TEXPIPE_ALPHA |
- TEXBLEND_ARG1 |
- TEXBLENDARG_MODIFY_PARMS |
- TEXBLENDARG_CURRENT);
- imesa->TexBlendColorPipeNum[unit] = 0;
- imesa->TexBlendWordsUsed[unit] = 4;
- I830_STATECHANGE(imesa, (I830_UPLOAD_TEXBLEND_N(unit)));
+ i830UpdateTexEnv( ctx, unit );
return GL_TRUE;
}
else if (texUnit->_ReallyEnabled) {
return GL_FALSE;
}
- else if (unit == 0) {
- return disable_tex0( ctx );
- }
else {
+ disable_tex( ctx, unit );
return GL_TRUE;
}
}
if (index & _TNL_BITS_TEX_ANY) {
int i, last_stage = 0;
- /* Still using 2 as max tex units, but this code is fine for all
- * 8 units supported by mesa:
- */
- for (i = 0; i < 2 ; i++)
+ for (i = 0; i < ctx->Const.MaxTextureUnits ; i++)
if (index & _TNL_BIT_TEX(i))
last_stage = i+1;
/* Initialization. */
/**********************************************************************/
-
+/**
+ * \bug
+ * How are the magic numbers 12 and 26 in the call to \c _tnl_init_vertices
+ * derived?
+ */
void i830InitTriFuncs( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
tnl->Driver.Render.Interp = _tnl_interp;
_tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
- 22 * sizeof(GLfloat) );
+ 26 * sizeof(GLfloat) );
I830_CONTEXT(ctx)->verts = (char *)tnl->clipspace.vertex_buf;
}
projects / mesa.git / commitdiff