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Diffstat (limited to 'src/mesa/drivers/dri/mga/mga_texstate.c')
-rw-r--r--src/mesa/drivers/dri/mga/mga_texstate.c592
1 files changed, 419 insertions, 173 deletions
diff --git a/src/mesa/drivers/dri/mga/mga_texstate.c b/src/mesa/drivers/dri/mga/mga_texstate.c
index fc1406cab9..5f3e1b1bac 100644
--- a/src/mesa/drivers/dri/mga/mga_texstate.c
+++ b/src/mesa/drivers/dri/mga/mga_texstate.c
@@ -52,6 +52,8 @@ static const unsigned TMC_tformat[ TMC_nr_tformat ] =
[MESA_FORMAT_RGB565] = TMC_tformat_tw16 | TMC_takey_1 | TMC_tamask_0,
[MESA_FORMAT_ARGB4444] = TMC_tformat_tw12 | TMC_takey_1 | TMC_tamask_0,
[MESA_FORMAT_ARGB1555] = TMC_tformat_tw15 | TMC_takey_1 | TMC_tamask_0,
+ [MESA_FORMAT_AL88] = TMC_tformat_tw8al | TMC_takey_1 | TMC_tamask_0,
+ [MESA_FORMAT_I8] = TMC_tformat_tw8a | TMC_takey_1 | TMC_tamask_0,
[MESA_FORMAT_CI8] = TMC_tformat_tw8 | TMC_takey_1 | TMC_tamask_0,
[MESA_FORMAT_YCBCR] = TMC_tformat_tw422uyvy | TMC_takey_1 | TMC_tamask_0,
[MESA_FORMAT_YCBCR_REV] = TMC_tformat_tw422 | TMC_takey_1 | TMC_tamask_0,
@@ -67,7 +69,7 @@ mgaSetTexImages( mgaContextPtr mmesa,
GLint totalSize;
GLint width, height;
GLint i;
- GLint firstLevel, lastLevel, numLevels;
+ GLint numLevels;
GLint log2Width, log2Height;
GLuint txformat = 0;
GLint ofs;
@@ -81,6 +83,8 @@ mgaSetTexImages( mgaContextPtr mmesa,
case MESA_FORMAT_RGB565: txformat = TMC_tformat_tw16; break;
case MESA_FORMAT_ARGB4444: txformat = TMC_tformat_tw12; break;
case MESA_FORMAT_ARGB1555: txformat = TMC_tformat_tw15; break;
+ case MESA_FORMAT_AL88: txformat = TMC_tformat_tw8al; break;
+ case MESA_FORMAT_I8: txformat = TMC_tformat_tw8a; break;
case MESA_FORMAT_CI8: txformat = TMC_tformat_tw8; break;
case MESA_FORMAT_YCBCR: txformat = TMC_tformat_tw422uyvy; break;
case MESA_FORMAT_YCBCR_REV: txformat = TMC_tformat_tw422; break;
@@ -101,39 +105,21 @@ mgaSetTexImages( mgaContextPtr mmesa,
#endif /* MGA_USE_TABLE_FOR_FORMAT */
- if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) {
- /* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
- */
-
- firstLevel = lastLevel = tObj->BaseLevel;
- } else {
- /* Compute which mipmap levels we really want to send to the hardware.
- * This depends on the base image size, GL_TEXTURE_MIN_LOD,
- * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL, and GL_TEXTURE_MAX_LEVEL.
- * Yes, this looks overly complicated, but it's all needed.
- */
-
- firstLevel = tObj->BaseLevel + (GLint)(tObj->MinLod + 0.5);
- firstLevel = MAX2(firstLevel, tObj->BaseLevel);
- lastLevel = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5);
- lastLevel = MAX2(lastLevel, tObj->BaseLevel);
- lastLevel = MIN2(lastLevel, tObj->BaseLevel + baseImage->MaxLog2);
- lastLevel = MIN2(lastLevel, tObj->MaxLevel);
- lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */
- }
+ driCalculateTextureFirstLastLevel( (driTextureObject *) t );
+ log2Width = tObj->Image[t->base.firstLevel]->WidthLog2;
+ log2Height = tObj->Image[t->base.firstLevel]->HeightLog2;
- log2Width = tObj->Image[firstLevel]->WidthLog2;
- log2Height = tObj->Image[firstLevel]->HeightLog2;
- width = tObj->Image[firstLevel]->Width;
- height = tObj->Image[firstLevel]->Height;
+ width = tObj->Image[t->base.firstLevel]->Width;
+ height = tObj->Image[t->base.firstLevel]->Height;
- numLevels = MIN2( lastLevel - firstLevel + 1,
+ numLevels = MIN2( t->base.lastLevel - t->base.firstLevel + 1,
MGA_IS_G200(mmesa) ? G200_TEX_MAXLEVELS : G400_TEX_MAXLEVELS);
totalSize = 0;
for ( i = 0 ; i < numLevels ; i++ ) {
- const struct gl_texture_image * const texImage = tObj->Image[i+firstLevel];
+ const struct gl_texture_image * const texImage =
+ tObj->Image[ i + t->base.firstLevel ];
if ( (texImage == NULL)
|| ((i != 0)
@@ -149,13 +135,9 @@ mgaSetTexImages( mgaContextPtr mmesa,
baseImage->TexFormat->TexelBytes) + 31) & ~31;
}
- numLevels = i;
- lastLevel = firstLevel + numLevels - 1;
-
/* save these values */
- t->base.firstLevel = firstLevel;
- t->base.lastLevel = lastLevel;
-
+ numLevels = i;
+ t->base.lastLevel = t->base.firstLevel + numLevels - 1;
t->base.totalSize = totalSize;
/* setup hardware register values */
@@ -225,7 +207,7 @@ static void mgaUpdateTextureEnvG200( GLcontext *ctx, GLuint unit )
t->setup.texctl2 |= TMC_decalblend_enable;
break;
case GL_BLEND:
- FALLBACK( ctx, MGA_FALLBACK_TEXTURE, GL_TRUE );
+ t->texenv_fallback = GL_TRUE;
break;
default:
break;
@@ -251,29 +233,160 @@ static const GLuint g400_color_combine[][MGA_MAX_COMBFUNC] =
(0),
/* GL_REPLACE
+ * Cv = Cs
+ * Av = Af
*/
(TD0_color_sel_arg1 |
TD0_alpha_arg2_diffuse |
- TD0_alpha_sel_arg2 ),
+ TD0_alpha_sel_arg2),
/* GL_MODULATE
+ * Cv = Cf Cs
+ * Av = Af
*/
(TD0_color_arg2_diffuse |
TD0_color_sel_mul |
TD0_alpha_arg2_diffuse |
- TD0_alpha_sel_mul),
+ TD0_alpha_sel_arg2),
/* GL_DECAL
+ * Cv = Cs
+ * Av = Af
*/
(TD0_color_sel_arg1 |
TD0_alpha_arg2_diffuse |
TD0_alpha_sel_arg2),
- /* GL_BLEND
+ /* GL_BLEND (Cc=0.0)
+ * Cv = Cf ( 1 - Cs )
+ * Av = Af
+ */
+ (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_arg2),
+
+ /* GL_ADD
+ * Cv = Cf + Cs
+ * Av = Af
+ */
+ (TD0_color_arg2_diffuse |
+ TD0_color_add_add |
+ TD0_color_sel_add |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_arg2),
+ },
+
+ /* Unit 1:
+ */
+ {
+ /* Disable combiner stage
*/
(0),
+
+ /* GL_REPLACE
+ * Cv = Cs
+ * Av = Ap
+ */
+ (TD0_color_sel_arg1 |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2),
+
+ /* GL_MODULATE
+ * Cv = Cp Cs
+ * Av = Ap
+ */
+ (TD0_color_arg2_prevstage |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2),
+
+ /* GL_DECAL
+ * Cv = Cs
+ * Av = Ap
+ */
+ (TD0_color_sel_arg1 |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2),
+
+ /* GL_BLEND (Cc=0.0)
+ * Cv = Cp ( 1 - Cs )
+ * Av = Ap
+ */
+ (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_prevstage |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2),
+
+ /* GL_ADD
+ * Cv = Cp + Cs
+ * Av = Ap
+ */
+ (TD0_color_arg2_prevstage |
+ TD0_color_add_add |
+ TD0_color_sel_add |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2),
+ },
+};
+
+static const GLuint g400_color_alpha_combine[][MGA_MAX_COMBFUNC] =
+{
+ /* Unit 0:
+ */
+ {
+ /* Disable combiner stage
+ */
+ (0),
+
+ /* GL_REPLACE
+ * Cv = Cs
+ * Av = As
+ */
+ (TD0_color_sel_arg1 |
+ TD0_alpha_sel_arg1),
+
+ /* GL_MODULATE
+ * Cv = Cf Cs
+ * Av = Af As
+ */
+ (TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_mul),
+
+ /* GL_DECAL
+ * tmp = Cf ( 1 - As )
+ * Cv = tmp + Cs As
+ * Av = Af
+ */
+ (TD0_color_arg2_diffuse |
+ TD0_color_alpha_currtex |
+ TD0_color_alpha1inv_enable |
+ TD0_color_arg1mul_alpha1 |
+ TD0_color_blend_enable |
+ TD0_color_arg1add_mulout |
+ TD0_color_arg2add_mulout |
+ TD0_color_add_add |
+ TD0_color_sel_add |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_arg2),
+
+ /* GL_BLEND (Cc=0.0)
+ * Cv = Cf ( 1 - Cs )
+ * Av = Af As
+ */
+ (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_mul),
/* GL_ADD
+ * Cv = Cf + Cs
+ * Av = Af As
*/
(TD0_color_arg2_diffuse |
TD0_color_add_add |
@@ -290,33 +403,53 @@ static const GLuint g400_color_combine[][MGA_MAX_COMBFUNC] =
(0),
/* GL_REPLACE
+ * Cv = Cs
+ * Av = As
*/
(TD0_color_sel_arg1 |
- TD0_alpha_arg2_diffuse |
- TD0_alpha_sel_arg2 ),
+ TD0_alpha_sel_arg1),
/* GL_MODULATE
+ * Cv = Cp Cs
+ * Av = Ap As
*/
(TD0_color_arg2_prevstage |
- TD0_color_alpha_prevstage |
TD0_color_sel_mul |
TD0_alpha_arg2_prevstage |
TD0_alpha_sel_mul),
/* GL_DECAL
+ * tmp = Cp ( 1 - As )
+ * Cv = tmp + Cs As
+ * Av = Ap
*/
- (TD0_color_sel_arg1 |
+ (TD0_color_arg2_prevstage |
+ TD0_color_alpha_currtex |
+ TD0_color_alpha1inv_enable |
+ TD0_color_arg1mul_alpha1 |
+ TD0_color_blend_enable |
+ TD0_color_arg1add_mulout |
+ TD0_color_arg2add_mulout |
+ TD0_color_add_add |
+ TD0_color_sel_add |
TD0_alpha_arg2_prevstage |
- TD0_alpha_sel_arg2 ),
+ TD0_alpha_sel_arg2),
- /* GL_BLEND
+ /* GL_BLEND (Cc=0.0)
+ * Cv = Cp ( 1 - Cs )
+ * Av = Ap As
*/
- (0),
+ (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_prevstage |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_mul),
/* GL_ADD
+ * Cv = Cp + Cs
+ * Av = Ap As
*/
(TD0_color_arg2_prevstage |
- TD0_color_alpha_prevstage |
TD0_color_add_add |
TD0_color_sel_add |
TD0_alpha_arg2_prevstage |
@@ -334,20 +467,25 @@ static const GLuint g400_alpha_combine[][MGA_MAX_COMBFUNC] =
(0),
/* GL_REPLACE
+ * Cv = Cf
+ * Av = As
*/
- (TD0_color_sel_arg2 |
- TD0_color_arg2_diffuse |
- TD0_alpha_sel_arg1 ),
+ (TD0_color_arg2_diffuse |
+ TD0_color_sel_arg2 |
+ TD0_alpha_sel_arg1),
/* GL_MODULATE
- * FIXME: Is this correct?
+ * Cv = Cf
+ * Av = Af As
*/
(TD0_color_arg2_diffuse |
- TD0_color_sel_mul |
+ TD0_color_sel_arg2 |
TD0_alpha_arg2_diffuse |
TD0_alpha_sel_mul),
- /* GL_DECAL
+ /* GL_DECAL (undefined)
+ * Cv = Cf
+ * Av = Af
*/
(TD0_color_arg2_diffuse |
TD0_color_sel_arg2 |
@@ -355,16 +493,20 @@ static const GLuint g400_alpha_combine[][MGA_MAX_COMBFUNC] =
TD0_alpha_sel_arg2),
/* GL_BLEND
+ * Cv = Cf
+ * Av = Af As
*/
(TD0_color_arg2_diffuse |
- TD0_color_sel_mul |
+ TD0_color_sel_arg2 |
TD0_alpha_arg2_diffuse |
TD0_alpha_sel_mul),
/* GL_ADD
+ * Cv = Cf
+ * Av = Af As
*/
(TD0_color_arg2_diffuse |
- TD0_color_sel_mul |
+ TD0_color_sel_arg2 |
TD0_alpha_arg2_diffuse |
TD0_alpha_sel_mul),
},
@@ -377,21 +519,25 @@ static const GLuint g400_alpha_combine[][MGA_MAX_COMBFUNC] =
(0),
/* GL_REPLACE
+ * Cv = Cp
+ * Av = As
*/
- (TD0_color_sel_arg2 |
- TD0_color_arg2_diffuse |
- TD0_alpha_sel_arg1 ),
+ (TD0_color_arg2_prevstage |
+ TD0_color_sel_arg2 |
+ TD0_alpha_sel_arg1),
/* GL_MODULATE
- * FIXME: Is this correct?
+ * Cv = Cp
+ * Av = Ap As
*/
(TD0_color_arg2_prevstage |
- TD0_color_alpha_prevstage |
- TD0_color_sel_mul |
+ TD0_color_sel_arg2 |
TD0_alpha_arg2_prevstage |
TD0_alpha_sel_mul),
- /* GL_DECAL
+ /* GL_DECAL (undefined)
+ * Cv = Cp
+ * Av = Ap
*/
(TD0_color_arg2_prevstage |
TD0_color_sel_arg2 |
@@ -399,16 +545,20 @@ static const GLuint g400_alpha_combine[][MGA_MAX_COMBFUNC] =
TD0_alpha_sel_arg2),
/* GL_BLEND
+ * Cv = Cp
+ * Av = Ap As
*/
- (TD0_color_arg2_diffuse |
- TD0_color_sel_mul |
- TD0_alpha_arg2_diffuse |
+ (TD0_color_arg2_prevstage |
+ TD0_color_sel_arg2 |
+ TD0_alpha_arg2_prevstage |
TD0_alpha_sel_mul),
/* GL_ADD
+ * Cv = Cp
+ * Av = Ap As
*/
(TD0_color_arg2_prevstage |
- TD0_color_sel_mul |
+ TD0_color_sel_arg2 |
TD0_alpha_arg2_prevstage |
TD0_alpha_sel_mul),
},
@@ -421,143 +571,236 @@ static void mgaUpdateTextureEnvG400( GLcontext *ctx, GLuint unit )
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
const struct gl_texture_object *tObj = texUnit->_Current;
GLuint *reg = ((GLuint *)&mmesa->setup.tdualstage0 + unit);
+ mgaTextureObjectPtr t;
GLenum format;
- if ( tObj != ctx->Texture.Unit[source].Current2D || !tObj )
+ if ( !tObj ||
+ (tObj != ctx->Texture.Unit[source].Current2D &&
+ tObj != ctx->Texture.Unit[source].CurrentRect) )
return;
format = tObj->Image[tObj->BaseLevel]->Format;
+ t = (mgaTextureObjectPtr) tObj->DriverData;
+
switch (ctx->Texture.Unit[source].EnvMode) {
case GL_REPLACE:
- if (format == GL_RGB || format == GL_LUMINANCE) {
- *reg = g400_color_combine[unit][MGA_REPLACE];
- }
- else if (format == GL_ALPHA) {
+ if (format == GL_ALPHA) {
*reg = g400_alpha_combine[unit][MGA_REPLACE];
- }
- else {
- *reg = (TD0_color_sel_arg1 |
- TD0_alpha_sel_arg1 );
+ } else if (format == GL_RGB || format == GL_LUMINANCE) {
+ *reg = g400_color_combine[unit][MGA_REPLACE];
+ } else {
+ *reg = g400_color_alpha_combine[unit][MGA_REPLACE];
}
break;
case GL_MODULATE:
- *reg = g400_color_combine[unit][MGA_MODULATE];
+ if (format == GL_ALPHA) {
+ *reg = g400_alpha_combine[unit][MGA_MODULATE];
+ } else if (format == GL_RGB || format == GL_LUMINANCE) {
+ *reg = g400_color_combine[unit][MGA_MODULATE];
+ } else {
+ *reg = g400_color_alpha_combine[unit][MGA_MODULATE];
+ }
break;
+
case GL_DECAL:
if (format == GL_RGB) {
- *reg = g400_color_combine[unit][MGA_DECAL];
+ *reg = g400_color_combine[unit][MGA_DECAL];
+ } else if (format == GL_RGBA) {
+ *reg = g400_color_alpha_combine[unit][MGA_DECAL];
+ if (ctx->Texture._EnabledUnits != 0x03) {
+ /* Linear blending mode needs dual texturing enabled */
+ *(reg+1) = (TD0_color_arg2_prevstage |
+ TD0_color_sel_arg2 |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2);
+ mmesa->dualtex_env = GL_TRUE;
+ }
+ } else {
+ /* Undefined */
+ *reg = g400_alpha_combine[unit][MGA_DECAL];
}
- else if ( format == GL_RGBA ) {
-#if 0
+ break;
+
+ case GL_ADD:
+ if (format == GL_ALPHA) {
+ *reg = g400_alpha_combine[unit][MGA_ADD];
+ } else if (format == GL_RGB || format == GL_LUMINANCE) {
+ *reg = g400_color_combine[unit][MGA_ADD];
+ } else if (format == GL_RGBA || format == GL_LUMINANCE_ALPHA) {
+ *reg = g400_color_alpha_combine[unit][MGA_ADD];
+ } else if (format == GL_INTENSITY) {
+ /* Cv = Cf + Cs
+ * Av = Af + As
+ */
if (unit == 0) {
- /* this doesn't work */
*reg = (TD0_color_arg2_diffuse |
- TD0_color_alpha_currtex |
- TD0_color_alpha2inv_enable |
- TD0_color_arg2mul_alpha2 |
- TD0_color_arg1mul_alpha1 |
- TD0_color_blend_enable |
- TD0_color_arg1add_mulout |
- TD0_color_arg2add_mulout |
TD0_color_add_add |
- TD0_color_sel_mul |
+ TD0_color_sel_add |
TD0_alpha_arg2_diffuse |
- TD0_alpha_sel_arg2 );
- }
- else {
+ TD0_alpha_add_enable |
+ TD0_alpha_sel_add);
+ } else {
*reg = (TD0_color_arg2_prevstage |
- TD0_color_alpha_currtex |
- TD0_color_alpha2inv_enable |
- TD0_color_arg2mul_alpha2 |
- TD0_color_arg1mul_alpha1 |
TD0_color_add_add |
TD0_color_sel_add |
TD0_alpha_arg2_prevstage |
- TD0_alpha_sel_arg2 );
+ TD0_alpha_add_enable |
+ TD0_alpha_sel_add);
}
-#else
- /* s/w fallback, pretty sure we can't do in h/w */
- FALLBACK( ctx, MGA_FALLBACK_TEXTURE, GL_TRUE );
- if ( MGA_DEBUG & DEBUG_VERBOSE_FALLBACK )
- fprintf( stderr, "FALLBACK: GL_DECAL RGBA texture, unit=%d\n",
- unit );
-#endif
- }
- else {
- *reg = g400_alpha_combine[unit][MGA_DECAL];
}
break;
- case GL_ADD:
- if (format == GL_INTENSITY) {
- if (unit == 0) {
- *reg = ( TD0_color_arg2_diffuse |
- TD0_color_add_add |
- TD0_color_sel_add |
- TD0_alpha_arg2_diffuse |
- TD0_alpha_add_enable |
- TD0_alpha_sel_add);
- }
- else {
- *reg = ( TD0_color_arg2_prevstage |
- TD0_color_add_add |
- TD0_color_sel_add |
- TD0_alpha_arg2_prevstage |
- TD0_alpha_add_enable |
- TD0_alpha_sel_add);
- }
- }
- else if (format == GL_ALPHA) {
- *reg = g400_alpha_combine[unit][MGA_ADD];
- }
- else {
- *reg = g400_color_combine[unit][MGA_ADD];
- }
- break;
-
case GL_BLEND:
if (format == GL_ALPHA) {
- *reg = g400_alpha_combine[unit][MGA_BLEND];
- }
- else {
- FALLBACK( ctx, MGA_FALLBACK_TEXTURE, GL_TRUE );
- if ( MGA_DEBUG & DEBUG_VERBOSE_FALLBACK )
- fprintf( stderr, "FALLBACK: GL_BLEND envcolor=0x%08x\n",
- mmesa->envcolor );
-
- /* Do singletexture GL_BLEND with 'all ones' env-color
- * by using both texture units. Multitexture gl_blend
- * is a fallback.
- */
- if (unit == 0) {
- /* Part 1: R1 = Rf ( 1 - Rt )
- * A1 = Af At
- */
- *reg = ( TD0_color_arg2_diffuse |
- TD0_color_arg1_inv_enable |
- TD0_color_sel_mul |
- TD0_alpha_arg2_diffuse |
- TD0_alpha_sel_arg1);
+ *reg = g400_alpha_combine[unit][MGA_BLEND];
+ } else {
+ if (mmesa->blend_flags & MGA_BLEND_RGB_ZERO) {
+ if (format == GL_RGB || format == GL_LUMINANCE) {
+ *reg = g400_color_combine[unit][MGA_BLEND];
+ } else if (format == GL_RGBA || format == GL_LUMINANCE_ALPHA) {
+ *reg = g400_color_alpha_combine[unit][MGA_BLEND];
+ } else if (format == GL_INTENSITY) {
+ if (mmesa->blend_flags & MGA_BLEND_ALPHA_ZERO) {
+ /* Cv = Cf ( 1 - Cs )
+ * Av = Af ( 1 - As )
+ */
+ if (unit == 0) {
+ *reg = (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg1_inv_enable |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_mul);
+ } else {
+ *reg = (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_prevstage |
+ TD0_color_sel_mul |
+ TD0_alpha_arg1_inv_enable |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_mul);
+ }
+ } else if (mmesa->blend_flags & MGA_BLEND_ALPHA_ONE &&
+ ctx->Texture._EnabledUnits != 0x03) {
+ /* C1 = Cf ( 1 - Cs )
+ * A1 = Af ( 1 - As )
+ */
+ *reg = (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg1_inv_enable |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_mul);
+ /* Cv = C1
+ * Av = A1 + As
+ */
+ *(reg+1) = (TD0_color_arg2_prevstage |
+ TD0_color_sel_arg2 |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_add_enable |
+ TD0_alpha_sel_add);
+ mmesa->dualtex_env = GL_TRUE;
+ } else {
+ t->texenv_fallback = GL_TRUE;
+ }
+ }
+ } else if (mmesa->blend_flags & MGA_BLEND_RGB_ONE &&
+ ctx->Texture._EnabledUnits != 0x03) {
+ if (format == GL_RGB || format == GL_LUMINANCE) {
+ /* C1 = Cf ( 1 - Cs )
+ * A1 = Af
+ */
+ *reg = (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_arg2);
+ /* Cv = C1 + Cs
+ * Av = A1
+ */
+ *(reg+1) = (TD0_color_arg2_prevstage |
+ TD0_color_add_add |
+ TD0_color_sel_add |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2);
+ mmesa->dualtex_env = GL_TRUE;
+ } else if (format == GL_RGBA || format == GL_LUMINANCE_ALPHA) {
+ /* C1 = Cf ( 1 - Cs )
+ * A1 = Af As
+ */
+ *reg = (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_mul);
+ /* Cv = C1 + Cs
+ * Av = A1
+ */
+ *(reg+1) = (TD0_color_arg2_prevstage |
+ TD0_color_add_add |
+ TD0_color_sel_add |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2);
+ mmesa->dualtex_env = GL_TRUE;
+ } else if (format == GL_INTENSITY) {
+ if (mmesa->blend_flags & MGA_BLEND_ALPHA_ZERO) {
+ /* C1 = Cf ( 1 - Cs )
+ * A1 = Af ( 1 - As )
+ */
+ *reg = (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg1_inv_enable |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_mul);
+ /* Cv = C1 + Cs
+ * Av = A1
+ */
+ *(reg+1) = (TD0_color_arg2_prevstage |
+ TD0_color_add_add |
+ TD0_color_sel_add |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_sel_arg2);
+ mmesa->dualtex_env = GL_TRUE;
+ } else if (mmesa->blend_flags & MGA_BLEND_ALPHA_ONE) {
+ /* C1 = Cf ( 1 - Cs )
+ * A1 = Af ( 1 - As )
+ */
+ *reg = (TD0_color_arg1_inv_enable |
+ TD0_color_arg2_diffuse |
+ TD0_color_sel_mul |
+ TD0_alpha_arg1_inv_enable |
+ TD0_alpha_arg2_diffuse |
+ TD0_alpha_sel_mul);
+ /* Cv = C1 + Cs
+ * Av = A1 + As
+ */
+ *(reg+1) = (TD0_color_arg2_prevstage |
+ TD0_color_add_add |
+ TD0_color_sel_add |
+ TD0_alpha_arg2_prevstage |
+ TD0_alpha_add_enable |
+ TD0_alpha_sel_add);
+ mmesa->dualtex_env = GL_TRUE;
+ } else {
+ t->texenv_fallback = GL_TRUE;
+ }
+ }
} else {
- /* Part 2: R2 = R1 + Rt
- * A2 = A1
- */
- *reg = ( TD0_color_arg2_prevstage |
- TD0_color_add_add |
- TD0_color_sel_add |
- TD0_alpha_arg2_prevstage |
- TD0_alpha_sel_arg2);
+ t->texenv_fallback = GL_TRUE;
}
}
break;
+ case GL_COMBINE_EXT:
+ if (!mgaUpdateTextureEnvCombine(ctx, unit))
+ t->texenv_fallback = GL_TRUE;
+ break;
default:
break;
}
}
-
static void disable_tex( GLcontext *ctx, int unit )
{
mgaContextPtr mmesa = MGA_CONTEXT( ctx );
@@ -573,7 +816,7 @@ static void disable_tex( GLcontext *ctx, int unit )
mmesa->CurrentTexObj[unit] = NULL;
}
- if ( unit != 0 ) {
+ if ( unit != 0 && !mmesa->dualtex_env ) {
mmesa->setup.tdualstage1 = mmesa->setup.tdualstage0;
}
@@ -586,7 +829,7 @@ static void disable_tex( GLcontext *ctx, int unit )
mmesa->dirty |= MGA_UPLOAD_CONTEXT | (MGA_UPLOAD_TEX0 << unit);
}
-static GLboolean enable_tex_2d( GLcontext *ctx, int unit )
+static GLboolean enable_tex( GLcontext *ctx, int unit )
{
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
const int source = mmesa->tmu_source[unit];
@@ -649,6 +892,14 @@ static GLboolean update_tex_common( GLcontext *ctx, int unit )
t->setup.texctl2 |= TMC_dualtex_enable;
}
+ t->texenv_fallback = GL_FALSE;
+
+ /* Set this before mgaUpdateTextureEnvG400() since
+ * GL_ARB_texture_env_crossbar may have to disable texturing.
+ */
+ mmesa->setup.dwgctl &= DC_opcod_MASK;
+ mmesa->setup.dwgctl |= DC_opcod_texture_trap;
+
/* FIXME: The Radeon has some cached state so that it can avoid calling
* FIXME: UpdateTextureEnv in some cases. Is that possible here?
*/
@@ -680,13 +931,10 @@ static GLboolean update_tex_common( GLcontext *ctx, int unit )
mgaUpdateTextureEnvG200( ctx, unit );
}
-
- mmesa->setup.dwgctl &= DC_opcod_MASK;
- mmesa->setup.dwgctl |= DC_opcod_texture_trap;
mmesa->dirty |= MGA_UPLOAD_CONTEXT | (MGA_UPLOAD_TEX0 << unit);
FALLBACK( ctx, MGA_FALLBACK_BORDER_MODE, t->border_fallback );
- return !t->border_fallback;
+ return !t->border_fallback && !t->texenv_fallback;
}
@@ -697,8 +945,9 @@ static GLboolean updateTextureUnit( GLcontext *ctx, int unit )
const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
- if ( texUnit->_ReallyEnabled == TEXTURE_2D_BIT) {
- return(enable_tex_2d( ctx, unit ) &&
+ if ( texUnit->_ReallyEnabled == TEXTURE_2D_BIT ||
+ texUnit->_ReallyEnabled == TEXTURE_RECT_BIT ) {
+ return(enable_tex( ctx, unit ) &&
update_tex_common( ctx, unit ));
}
else if ( texUnit->_ReallyEnabled ) {
@@ -718,6 +967,7 @@ void mgaUpdateTextureState( GLcontext *ctx )
GLboolean ok;
unsigned i;
+ mmesa->dualtex_env = GL_FALSE;
/* This works around a quirk with the MGA hardware. If only OpenGL
* TEXTURE1 is enabled, then the hardware TEXTURE0 must be used. The
@@ -740,8 +990,4 @@ void mgaUpdateTextureState( GLcontext *ctx )
}
FALLBACK( ctx, MGA_FALLBACK_TEXTURE, !ok );
-
- /* FIXME: I believe that ChooseVertexState should be called here instead of
- * FIXME: in mgaDDValidateState.
- */
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 01:26:23 +0000