* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 "context.h"
-#include "macros.h"
-#include "enums.h"
-#include "dd.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/enums.h"
+#include "main/dd.h"
#include "tnl/tnl.h"
#include "tnl/t_context.h"
#include "texmem.h"
+#include "drivers/common/driverfuncs.h"
+
+#include "intel_fbo.h"
#include "intel_screen.h"
#include "intel_batchbuffer.h"
+#include "intel_buffers.h"
#include "i915_context.h"
#include "i915_reg.h"
-static int translate_compare_func( GLenum func )
-{
- switch(func) {
- case GL_NEVER:
- return COMPAREFUNC_NEVER;
- case GL_LESS:
- return COMPAREFUNC_LESS;
- case GL_LEQUAL:
- return COMPAREFUNC_LEQUAL;
- case GL_GREATER:
- return COMPAREFUNC_GREATER;
- case GL_GEQUAL:
- return COMPAREFUNC_GEQUAL;
- case GL_NOTEQUAL:
- return COMPAREFUNC_NOTEQUAL;
- case GL_EQUAL:
- return COMPAREFUNC_EQUAL;
- case GL_ALWAYS:
- default:
- return COMPAREFUNC_ALWAYS;
- }
-}
-
+#define FILE_DEBUG_FLAG DEBUG_STATE
-static void i915StencilFunc(GLcontext *ctx, GLenum func, GLint ref,
- GLuint mask)
+void
+i915_update_stencil(GLcontext * ctx)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int test = translate_compare_func( func );
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ GLuint front_ref, front_writemask, front_mask;
+ GLenum front_func, front_fail, front_pass_z_fail, front_pass_z_pass;
+ GLuint back_ref, back_writemask, back_mask;
+ GLenum back_func, back_fail, back_pass_z_fail, back_pass_z_pass;
- mask = mask & 0xff;
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s : func: %s, ref : 0x%x, mask: 0x%x\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(func), ref, mask);
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ /* The 915 considers CW to be "front" for two-sided stencil, so choose
+ * appropriately.
+ */
+ /* _NEW_POLYGON | _NEW_STENCIL */
+ if (ctx->Polygon.FrontFace == GL_CW) {
+ front_ref = ctx->Stencil.Ref[0];
+ front_mask = ctx->Stencil.ValueMask[0];
+ front_writemask = ctx->Stencil.WriteMask[0];
+ front_func = ctx->Stencil.Function[0];
+ front_fail = ctx->Stencil.FailFunc[0];
+ front_pass_z_fail = ctx->Stencil.ZFailFunc[0];
+ front_pass_z_pass = ctx->Stencil.ZPassFunc[0];
+ back_ref = ctx->Stencil.Ref[ctx->Stencil._BackFace];
+ back_mask = ctx->Stencil.ValueMask[ctx->Stencil._BackFace];
+ back_writemask = ctx->Stencil.WriteMask[ctx->Stencil._BackFace];
+ back_func = ctx->Stencil.Function[ctx->Stencil._BackFace];
+ back_fail = ctx->Stencil.FailFunc[ctx->Stencil._BackFace];
+ back_pass_z_fail = ctx->Stencil.ZFailFunc[ctx->Stencil._BackFace];
+ back_pass_z_pass = ctx->Stencil.ZPassFunc[ctx->Stencil._BackFace];
+ } else {
+ front_ref = ctx->Stencil.Ref[ctx->Stencil._BackFace];
+ front_mask = ctx->Stencil.ValueMask[ctx->Stencil._BackFace];
+ front_writemask = ctx->Stencil.WriteMask[ctx->Stencil._BackFace];
+ front_func = ctx->Stencil.Function[ctx->Stencil._BackFace];
+ front_fail = ctx->Stencil.FailFunc[ctx->Stencil._BackFace];
+ front_pass_z_fail = ctx->Stencil.ZFailFunc[ctx->Stencil._BackFace];
+ front_pass_z_pass = ctx->Stencil.ZPassFunc[ctx->Stencil._BackFace];
+ back_ref = ctx->Stencil.Ref[0];
+ back_mask = ctx->Stencil.ValueMask[0];
+ back_writemask = ctx->Stencil.WriteMask[0];
+ back_func = ctx->Stencil.Function[0];
+ back_fail = ctx->Stencil.FailFunc[0];
+ back_pass_z_fail = ctx->Stencil.ZFailFunc[0];
+ back_pass_z_pass = ctx->Stencil.ZPassFunc[0];
+ }
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- i915->state.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
+ /* Set front state. */
+ i915->state.Ctx[I915_CTXREG_STATE4] &= ~(MODE4_ENABLE_STENCIL_TEST_MASK |
+ MODE4_ENABLE_STENCIL_WRITE_MASK);
i915->state.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
- STENCIL_TEST_MASK(mask));
+ ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_TEST_MASK(front_mask) |
+ STENCIL_WRITE_MASK(front_writemask));
i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_REF_MASK |
- S5_STENCIL_TEST_FUNC_MASK);
-
- i915->state.Ctx[I915_CTXREG_LIS5] |= ((ref << S5_STENCIL_REF_SHIFT) |
- (test << S5_STENCIL_TEST_FUNC_SHIFT));
+ S5_STENCIL_TEST_FUNC_MASK |
+ S5_STENCIL_FAIL_MASK |
+ S5_STENCIL_PASS_Z_FAIL_MASK |
+ S5_STENCIL_PASS_Z_PASS_MASK);
+
+ i915->state.Ctx[I915_CTXREG_LIS5] |=
+ (front_ref << S5_STENCIL_REF_SHIFT) |
+ (intel_translate_compare_func(front_func) << S5_STENCIL_TEST_FUNC_SHIFT) |
+ (intel_translate_stencil_op(front_fail) << S5_STENCIL_FAIL_SHIFT) |
+ (intel_translate_stencil_op(front_pass_z_fail) <<
+ S5_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (intel_translate_stencil_op(front_pass_z_pass) <<
+ S5_STENCIL_PASS_Z_PASS_SHIFT);
+
+ /* Set back state if different from front. */
+ if (ctx->Stencil._TestTwoSide) {
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] &=
+ ~(BFO_STENCIL_REF_MASK |
+ BFO_STENCIL_TEST_MASK |
+ BFO_STENCIL_FAIL_MASK |
+ BFO_STENCIL_PASS_Z_FAIL_MASK |
+ BFO_STENCIL_PASS_Z_PASS_MASK);
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] |= BFO_STENCIL_TWO_SIDE |
+ (back_ref << BFO_STENCIL_REF_SHIFT) |
+ (intel_translate_compare_func(back_func) << BFO_STENCIL_TEST_SHIFT) |
+ (intel_translate_stencil_op(back_fail) << BFO_STENCIL_FAIL_SHIFT) |
+ (intel_translate_stencil_op(back_pass_z_fail) <<
+ BFO_STENCIL_PASS_Z_FAIL_SHIFT) |
+ (intel_translate_stencil_op(back_pass_z_pass) <<
+ BFO_STENCIL_PASS_Z_PASS_SHIFT);
+
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] &=
+ ~(BFM_STENCIL_TEST_MASK_MASK |
+ BFM_STENCIL_WRITE_MASK_MASK);
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] |=
+ BFM_STENCIL_TEST_MASK(back_mask) |
+ BFM_STENCIL_WRITE_MASK(back_writemask);
+ } else {
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] &= ~BFO_STENCIL_TWO_SIDE;
+ }
}
-static void i915StencilMask(GLcontext *ctx, GLuint mask)
+static void
+i915StencilFuncSeparate(GLcontext * ctx, GLenum face, GLenum func, GLint ref,
+ GLuint mask)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s : mask 0x%x\n", __FUNCTION__, mask);
-
- mask = mask & 0xff;
-
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- i915->state.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
- i915->state.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
- STENCIL_WRITE_MASK(mask));
}
-static int translate_stencil_op( GLenum op )
+static void
+i915StencilMaskSeparate(GLcontext * ctx, GLenum face, GLuint mask)
{
- switch(op) {
- case GL_KEEP:
- return STENCILOP_KEEP;
- case GL_ZERO:
- return STENCILOP_ZERO;
- case GL_REPLACE:
- return STENCILOP_REPLACE;
- case GL_INCR:
- return STENCILOP_INCRSAT;
- case GL_DECR:
- return STENCILOP_DECRSAT;
- case GL_INCR_WRAP:
- return STENCILOP_INCR;
- case GL_DECR_WRAP:
- return STENCILOP_DECR;
- case GL_INVERT:
- return STENCILOP_INVERT;
- default:
- return 0;
- }
}
-static void i915StencilOp(GLcontext *ctx, GLenum fail, GLenum zfail,
- GLenum zpass)
+static void
+i915StencilOpSeparate(GLcontext * ctx, GLenum face, GLenum fail, GLenum zfail,
+ GLenum zpass)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int fop = translate_stencil_op(fail);
- int dfop = translate_stencil_op(zfail);
- int dpop = translate_stencil_op(zpass);
-
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s: fail : %s, zfail: %s, zpass : %s\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(fail),
- _mesa_lookup_enum_by_nr(zfail),
- _mesa_lookup_enum_by_nr(zpass));
-
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
-
- i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_FAIL_MASK |
- S5_STENCIL_PASS_Z_FAIL_MASK |
- S5_STENCIL_PASS_Z_PASS_MASK);
-
- i915->state.Ctx[I915_CTXREG_LIS5] |= ((fop << S5_STENCIL_FAIL_SHIFT) |
- (dfop << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
- (dpop << S5_STENCIL_PASS_Z_PASS_SHIFT));
}
-static void i915AlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref)
+static void
+i915AlphaFunc(GLcontext * ctx, GLenum func, GLfloat ref)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int test = translate_compare_func( func );
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ int test = intel_translate_compare_func(func);
GLubyte refByte;
UNCLAMPED_FLOAT_TO_UBYTE(refByte, ref);
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
i915->state.Ctx[I915_CTXREG_LIS6] &= ~(S6_ALPHA_TEST_FUNC_MASK |
- S6_ALPHA_REF_MASK);
+ S6_ALPHA_REF_MASK);
i915->state.Ctx[I915_CTXREG_LIS6] |= ((test << S6_ALPHA_TEST_FUNC_SHIFT) |
- (((GLuint)refByte) << S6_ALPHA_REF_SHIFT));
+ (((GLuint) refByte) <<
+ S6_ALPHA_REF_SHIFT));
}
/* This function makes sure that the proper enables are
* could change the LogicOp or Independant Alpha Blend without subsequent
* calls to glEnable.
*/
-static void i915EvalLogicOpBlendState(GLcontext *ctx)
+static void
+i915EvalLogicOpBlendState(GLcontext * ctx)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- if (ctx->Color._LogicOpEnabled) {
+ if (RGBA_LOGICOP_ENABLED(ctx)) {
i915->state.Ctx[I915_CTXREG_LIS5] |= S5_LOGICOP_ENABLE;
i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_CBUF_BLEND_ENABLE;
- } else {
+ }
+ else {
i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_LOGICOP_ENABLE;
if (ctx->Color.BlendEnabled) {
- i915->state.Ctx[I915_CTXREG_LIS6] |= S6_CBUF_BLEND_ENABLE;
- } else {
- i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_CBUF_BLEND_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS6] |= S6_CBUF_BLEND_ENABLE;
+ }
+ else {
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_CBUF_BLEND_ENABLE;
}
}
}
-static void i915BlendColor(GLcontext *ctx, const GLfloat color[4])
+static void
+i915BlendColor(GLcontext * ctx, const GLfloat color[4])
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
GLubyte r, g, b, a;
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
+ DBG("%s\n", __FUNCTION__);
+
UNCLAMPED_FLOAT_TO_UBYTE(r, color[RCOMP]);
UNCLAMPED_FLOAT_TO_UBYTE(g, color[GCOMP]);
UNCLAMPED_FLOAT_TO_UBYTE(b, color[BCOMP]);
UNCLAMPED_FLOAT_TO_UBYTE(a, color[ACOMP]);
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] = (a<<24) | (r<<16) | (g<<8) | b;
+ i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] =
+ (a << 24) | (r << 16) | (g << 8) | b;
}
-static int translate_blend_factor( GLenum factor )
-{
- switch(factor) {
- case GL_ZERO:
- return BLENDFACT_ZERO;
- case GL_SRC_ALPHA:
- return BLENDFACT_SRC_ALPHA;
- case GL_ONE:
- return BLENDFACT_ONE;
- case GL_SRC_COLOR:
- return BLENDFACT_SRC_COLR;
- case GL_ONE_MINUS_SRC_COLOR:
- return BLENDFACT_INV_SRC_COLR;
- case GL_DST_COLOR:
- return BLENDFACT_DST_COLR;
- case GL_ONE_MINUS_DST_COLOR:
- return BLENDFACT_INV_DST_COLR;
- case GL_ONE_MINUS_SRC_ALPHA:
- return BLENDFACT_INV_SRC_ALPHA;
- case GL_DST_ALPHA:
- return BLENDFACT_DST_ALPHA;
- case GL_ONE_MINUS_DST_ALPHA:
- return BLENDFACT_INV_DST_ALPHA;
- case GL_SRC_ALPHA_SATURATE:
- return BLENDFACT_SRC_ALPHA_SATURATE;
- case GL_CONSTANT_COLOR:
- return BLENDFACT_CONST_COLOR;
- case GL_ONE_MINUS_CONSTANT_COLOR:
- return BLENDFACT_INV_CONST_COLOR;
- case GL_CONSTANT_ALPHA:
- return BLENDFACT_CONST_ALPHA;
- case GL_ONE_MINUS_CONSTANT_ALPHA:
- return BLENDFACT_INV_CONST_ALPHA;
- default:
- return BLENDFACT_ZERO;
- }
-}
#define DST_BLND_FACT(f) ((f)<<S6_CBUF_DST_BLEND_FACT_SHIFT)
#define SRC_BLND_FACT(f) ((f)<<S6_CBUF_SRC_BLEND_FACT_SHIFT)
-static GLuint translate_blend_equation( GLenum mode )
+static GLuint
+translate_blend_equation(GLenum mode)
{
switch (mode) {
- case GL_FUNC_ADD: return BLENDFUNC_ADD;
- case GL_MIN: return BLENDFUNC_MIN;
- case GL_MAX: return BLENDFUNC_MAX;
- case GL_FUNC_SUBTRACT: return BLENDFUNC_SUBTRACT;
- case GL_FUNC_REVERSE_SUBTRACT: return BLENDFUNC_REVERSE_SUBTRACT;
- default: return 0;
+ case GL_FUNC_ADD:
+ return BLENDFUNC_ADD;
+ case GL_MIN:
+ return BLENDFUNC_MIN;
+ case GL_MAX:
+ return BLENDFUNC_MAX;
+ case GL_FUNC_SUBTRACT:
+ return BLENDFUNC_SUBTRACT;
+ case GL_FUNC_REVERSE_SUBTRACT:
+ return BLENDFUNC_REVERSE_SUBTRACT;
+ default:
+ return 0;
}
}
-static void i915UpdateBlendState( GLcontext *ctx )
+static void
+i915UpdateBlendState(GLcontext * ctx)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- GLuint iab = (i915->state.Ctx[I915_CTXREG_IAB] &
- ~(IAB_SRC_FACTOR_MASK |
- IAB_DST_FACTOR_MASK |
- (BLENDFUNC_MASK << IAB_FUNC_SHIFT) |
- IAB_ENABLE));
-
- GLuint lis6 = (i915->state.Ctx[I915_CTXREG_LIS6] &
- ~(S6_CBUF_SRC_BLEND_FACT_MASK |
- S6_CBUF_DST_BLEND_FACT_MASK |
- S6_CBUF_BLEND_FUNC_MASK));
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ GLuint iab = (i915->state.Ctx[I915_CTXREG_IAB] &
+ ~(IAB_SRC_FACTOR_MASK |
+ IAB_DST_FACTOR_MASK |
+ (BLENDFUNC_MASK << IAB_FUNC_SHIFT) | IAB_ENABLE));
+
+ GLuint lis6 = (i915->state.Ctx[I915_CTXREG_LIS6] &
+ ~(S6_CBUF_SRC_BLEND_FACT_MASK |
+ S6_CBUF_DST_BLEND_FACT_MASK | S6_CBUF_BLEND_FUNC_MASK));
GLuint eqRGB = ctx->Color.BlendEquationRGB;
GLuint eqA = ctx->Color.BlendEquationA;
srcA = dstA = GL_ONE;
}
- lis6 |= SRC_BLND_FACT(translate_blend_factor(srcRGB));
- lis6 |= DST_BLND_FACT(translate_blend_factor(dstRGB));
- lis6 |= translate_blend_equation( eqRGB ) << S6_CBUF_BLEND_FUNC_SHIFT;
+ lis6 |= SRC_BLND_FACT(intel_translate_blend_factor(srcRGB));
+ lis6 |= DST_BLND_FACT(intel_translate_blend_factor(dstRGB));
+ lis6 |= translate_blend_equation(eqRGB) << S6_CBUF_BLEND_FUNC_SHIFT;
- iab |= SRC_ABLND_FACT(translate_blend_factor(srcA));
- iab |= DST_ABLND_FACT(translate_blend_factor(dstA));
- iab |= translate_blend_equation( eqA ) << IAB_FUNC_SHIFT;
+ iab |= SRC_ABLND_FACT(intel_translate_blend_factor(srcA));
+ iab |= DST_ABLND_FACT(intel_translate_blend_factor(dstA));
+ iab |= translate_blend_equation(eqA) << IAB_FUNC_SHIFT;
- if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB)
+ if (srcA != srcRGB || dstA != dstRGB || eqA != eqRGB)
iab |= IAB_ENABLE;
if (iab != i915->state.Ctx[I915_CTXREG_IAB] ||
}
-static void i915BlendFuncSeparate(GLcontext *ctx, GLenum srcRGB,
- GLenum dstRGB, GLenum srcA,
- GLenum dstA )
-{
- i915UpdateBlendState( ctx );
+static void
+i915BlendFuncSeparate(GLcontext * ctx, GLenum srcRGB,
+ GLenum dstRGB, GLenum srcA, GLenum dstA)
+{
+ i915UpdateBlendState(ctx);
}
-static void i915BlendEquationSeparate(GLcontext *ctx, GLenum eqRGB,
- GLenum eqA)
+static void
+i915BlendEquationSeparate(GLcontext * ctx, GLenum eqRGB, GLenum eqA)
{
- i915UpdateBlendState( ctx );
+ i915UpdateBlendState(ctx);
}
-static void i915DepthFunc(GLcontext *ctx, GLenum func)
+static void
+i915DepthFunc(GLcontext * ctx, GLenum func)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int test = translate_compare_func( func );
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ int test = intel_translate_compare_func(func);
+ DBG("%s\n", __FUNCTION__);
+
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_TEST_FUNC_MASK;
i915->state.Ctx[I915_CTXREG_LIS6] |= test << S6_DEPTH_TEST_FUNC_SHIFT;
}
-static void i915DepthMask(GLcontext *ctx, GLboolean flag)
+static void
+i915DepthMask(GLcontext * ctx, GLboolean flag)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s flag (%d)\n", __FUNCTION__, flag);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ DBG("%s flag (%d)\n", __FUNCTION__, flag);
+
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
if (flag && ctx->Depth.Test)
i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_WRITE_ENABLE;
}
+
+
+/**
+ * Update the viewport transformation matrix. Depends on:
+ * - viewport pos/size
+ * - depthrange
+ * - window pos/size or FBO size
+ */
+void
+intelCalcViewport(GLcontext * ctx)
+{
+ struct intel_context *intel = intel_context(ctx);
+ const GLfloat *v = ctx->Viewport._WindowMap.m;
+ const GLfloat depthScale = 1.0F / ctx->DrawBuffer->_DepthMaxF;
+ GLfloat *m = intel->ViewportMatrix.m;
+ GLfloat yScale, yBias;
+
+ if (ctx->DrawBuffer->Name) {
+ /* User created FBO */
+ /* y=0=bottom */
+ yScale = 1.0;
+ yBias = 0.0;
+ }
+ else {
+ /* window buffer, y=0=top */
+ yScale = -1.0;
+ yBias = ctx->DrawBuffer->Height;
+ }
+
+ m[MAT_SX] = v[MAT_SX];
+ m[MAT_TX] = v[MAT_TX];
+
+ m[MAT_SY] = v[MAT_SY] * yScale;
+ m[MAT_TY] = v[MAT_TY] * yScale + yBias;
+
+ m[MAT_SZ] = v[MAT_SZ] * depthScale;
+ m[MAT_TZ] = v[MAT_TZ] * depthScale;
+}
+
+
+/** Called from ctx->Driver.Viewport() */
+static void
+i915Viewport(GLcontext * ctx,
+ GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ intelCalcViewport(ctx);
+
+ intel_viewport(ctx, x, y, width, height);
+}
+
+
+/** Called from ctx->Driver.DepthRange() */
+static void
+i915DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval)
+{
+ intelCalcViewport(ctx);
+}
+
+
/* =============================================================
* Polygon stipple
*
* The i915 supports a 4x4 stipple natively, GL wants 32x32.
* Fortunately stipple is usually a repeating pattern.
*/
-static void i915PolygonStipple( GLcontext *ctx, const GLubyte *mask )
+static void
+i915PolygonStipple(GLcontext * ctx, const GLubyte * mask)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- const GLubyte *m = mask;
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ const GLubyte *m;
GLubyte p[4];
- int i,j,k;
+ int i, j, k;
int active = (ctx->Polygon.StippleFlag &&
- i915->intel.reduced_primitive == GL_TRIANGLES);
+ i915->intel.reduced_primitive == GL_TRIANGLES);
GLuint newMask;
if (active) {
i915->state.Stipple[I915_STPREG_ST1] &= ~ST1_ENABLE;
}
- p[0] = mask[12] & 0xf; p[0] |= p[0] << 4;
- p[1] = mask[8] & 0xf; p[1] |= p[1] << 4;
- p[2] = mask[4] & 0xf; p[2] |= p[2] << 4;
- p[3] = mask[0] & 0xf; p[3] |= p[3] << 4;
-
- for (k = 0 ; k < 8 ; k++)
- for (j = 3 ; j >= 0; j--)
- for (i = 0 ; i < 4 ; i++, m++)
- if (*m != p[j]) {
- i915->intel.hw_stipple = 0;
- return;
- }
+ /* Use the already unpacked stipple data from the context rather than the
+ * uninterpreted mask passed in.
+ */
+ mask = (const GLubyte *)ctx->PolygonStipple;
+ m = mask;
+
+ p[0] = mask[12] & 0xf;
+ p[0] |= p[0] << 4;
+ p[1] = mask[8] & 0xf;
+ p[1] |= p[1] << 4;
+ p[2] = mask[4] & 0xf;
+ p[2] |= p[2] << 4;
+ p[3] = mask[0] & 0xf;
+ p[3] |= p[3] << 4;
+
+ for (k = 0; k < 8; k++)
+ for (j = 3; j >= 0; j--)
+ for (i = 0; i < 4; i++, m++)
+ if (*m != p[j]) {
+ i915->intel.hw_stipple = 0;
+ return;
+ }
newMask = (((p[0] & 0xf) << 0) |
- ((p[1] & 0xf) << 4) |
- ((p[2] & 0xf) << 8) |
- ((p[3] & 0xf) << 12));
+ ((p[1] & 0xf) << 4) |
+ ((p[2] & 0xf) << 8) | ((p[3] & 0xf) << 12));
if (newMask == 0xffff || newMask == 0x0) {
/* =============================================================
* Hardware clipping
*/
-static void i915Scissor(GLcontext *ctx, GLint x, GLint y,
- GLsizei w, GLsizei h)
+static void
+i915Scissor(GLcontext * ctx, GLint x, GLint y, GLsizei w, GLsizei h)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- intelScreenPrivate *screen = i915->intel.intelScreen;
+ struct i915_context *i915 = I915_CONTEXT(ctx);
int x1, y1, x2, y2;
- if (!i915->intel.driDrawable)
+ if (!ctx->DrawBuffer)
return;
- x1 = x;
- y1 = i915->intel.driDrawable->h - (y + h);
- x2 = x + w - 1;
- y2 = y1 + h - 1;
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "[%s] x(%d) y(%d) w(%d) h(%d)\n", __FUNCTION__,
- x, y, w, h);
-
- if (x1 < 0) x1 = 0;
- if (y1 < 0) y1 = 0;
- if (x2 < 0) x2 = 0;
- if (y2 < 0) y2 = 0;
-
- if (x2 >= screen->width) x2 = screen->width-1;
- if (y2 >= screen->height) y2 = screen->height-1;
- if (x1 >= screen->width) x1 = screen->width-1;
- if (y1 >= screen->height) y1 = screen->height-1;
+ DBG("%s %d,%d %dx%d\n", __FUNCTION__, x, y, w, h);
+ if (ctx->DrawBuffer->Name == 0) {
+ x1 = x;
+ y1 = ctx->DrawBuffer->Height - (y + h);
+ x2 = x + w - 1;
+ y2 = y1 + h - 1;
+ DBG("%s %d..%d,%d..%d (inverted)\n", __FUNCTION__, x1, x2, y1, y2);
+ }
+ else {
+ /* FBO - not inverted
+ */
+ x1 = x;
+ y1 = y;
+ x2 = x + w - 1;
+ y2 = y + h - 1;
+ DBG("%s %d..%d,%d..%d (not inverted)\n", __FUNCTION__, x1, x2, y1, y2);
+ }
+
+ x1 = CLAMP(x1, 0, ctx->DrawBuffer->Width - 1);
+ y1 = CLAMP(y1, 0, ctx->DrawBuffer->Height - 1);
+ x2 = CLAMP(x2, 0, ctx->DrawBuffer->Width - 1);
+ y2 = CLAMP(y2, 0, ctx->DrawBuffer->Height - 1);
+
+ DBG("%s %d..%d,%d..%d (clamped)\n", __FUNCTION__, x1, x2, y1, y2);
I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
i915->state.Buffer[I915_DESTREG_SR1] = (y1 << 16) | (x1 & 0xffff);
i915->state.Buffer[I915_DESTREG_SR2] = (y2 << 16) | (x2 & 0xffff);
}
-static void i915LogicOp(GLcontext *ctx, GLenum opcode)
+static void
+i915LogicOp(GLcontext * ctx, GLenum opcode)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int tmp = 0;
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- switch(opcode) {
- case GL_CLEAR:
- tmp = LOGICOP_CLEAR;
- break;
- case GL_AND:
- tmp = LOGICOP_AND;
- break;
- case GL_AND_REVERSE:
- tmp = LOGICOP_AND_RVRSE;
- break;
- case GL_COPY:
- tmp = LOGICOP_COPY;
- break;
- case GL_COPY_INVERTED:
- tmp = LOGICOP_COPY_INV;
- break;
- case GL_AND_INVERTED:
- tmp = LOGICOP_AND_INV;
- break;
- case GL_NOOP:
- tmp = LOGICOP_NOOP;
- break;
- case GL_XOR:
- tmp = LOGICOP_XOR;
- break;
- case GL_OR:
- tmp = LOGICOP_OR;
- break;
- case GL_OR_INVERTED:
- tmp = LOGICOP_OR_INV;
- break;
- case GL_NOR:
- tmp = LOGICOP_NOR;
- break;
- case GL_EQUIV:
- tmp = LOGICOP_EQUIV;
- break;
- case GL_INVERT:
- tmp = LOGICOP_INV;
- break;
- case GL_OR_REVERSE:
- tmp = LOGICOP_OR_RVRSE;
- break;
- case GL_NAND:
- tmp = LOGICOP_NAND;
- break;
- case GL_SET:
- tmp = LOGICOP_SET;
- break;
- default:
- return;
- }
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ int tmp = intel_translate_logic_op(opcode);
+ DBG("%s\n", __FUNCTION__);
+
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
i915->state.Ctx[I915_CTXREG_STATE4] &= ~LOGICOP_MASK;
i915->state.Ctx[I915_CTXREG_STATE4] |= LOGIC_OP_FUNC(tmp);
-static void i915CullFaceFrontFace(GLcontext *ctx, GLenum unused)
+static void
+i915CullFaceFrontFace(GLcontext * ctx, GLenum unused)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
GLuint mode;
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
+ DBG("%s %d\n", __FUNCTION__,
+ ctx->DrawBuffer ? ctx->DrawBuffer->Name : 0);
if (!ctx->Polygon.CullFlag) {
mode = S4_CULLMODE_NONE;
else if (ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) {
mode = S4_CULLMODE_CW;
+ if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0)
+ mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW);
if (ctx->Polygon.CullFaceMode == GL_FRONT)
- mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW);
+ mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW);
if (ctx->Polygon.FrontFace != GL_CCW)
- mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW);
+ mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW);
}
else {
mode = S4_CULLMODE_BOTH;
i915->state.Ctx[I915_CTXREG_LIS4] |= mode;
}
-static void i915LineWidth( GLcontext *ctx, GLfloat widthf )
+static void
+i915LineWidth(GLcontext * ctx, GLfloat widthf)
{
- i915ContextPtr i915 = I915_CONTEXT( ctx );
+ struct i915_context *i915 = I915_CONTEXT(ctx);
int lis4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_LINE_WIDTH_MASK;
int width;
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- width = (int)(widthf * 2);
- CLAMP_SELF(width, 1, 0xf);
+ DBG("%s\n", __FUNCTION__);
+
+ width = (int) (widthf * 2);
+ width = CLAMP(width, 1, 0xf);
lis4 |= width << S4_LINE_WIDTH_SHIFT;
if (lis4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
}
}
-static void i915PointSize(GLcontext *ctx, GLfloat size)
+static void
+i915PointSize(GLcontext * ctx, GLfloat size)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
int lis4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_POINT_WIDTH_MASK;
- GLint point_size = (int)size;
-
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
+ GLint point_size = (int) round(size);
- CLAMP_SELF(point_size, 1, 255);
+ DBG("%s\n", __FUNCTION__);
+
+ point_size = CLAMP(point_size, 1, 255);
lis4 |= point_size << S4_POINT_WIDTH_SHIFT;
if (lis4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
}
+static void
+i915PointParameterfv(GLcontext * ctx, GLenum pname, const GLfloat *params)
+{
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+
+ switch (pname) {
+ case GL_POINT_SPRITE_COORD_ORIGIN:
+ /* This could be supported, but it would require modifying the fragment
+ * program to invert the y component of the texture coordinate by
+ * inserting a 'SUB tc.y, {1.0}.xxxx, tc' instruction.
+ */
+ FALLBACK(&i915->intel, I915_FALLBACK_POINT_SPRITE_COORD_ORIGIN,
+ (params[0] != GL_UPPER_LEFT));
+ break;
+ }
+}
+
+
/* =============================================================
* Color masks
*/
-static void i915ColorMask(GLcontext *ctx,
- GLboolean r, GLboolean g,
- GLboolean b, GLboolean a)
+static void
+i915ColorMask(GLcontext * ctx,
+ GLboolean r, GLboolean g, GLboolean b, GLboolean a)
{
- i915ContextPtr i915 = I915_CONTEXT( ctx );
+ struct i915_context *i915 = I915_CONTEXT(ctx);
GLuint tmp = i915->state.Ctx[I915_CTXREG_LIS5] & ~S5_WRITEDISABLE_MASK;
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s r(%d) g(%d) b(%d) a(%d)\n", __FUNCTION__, r, g, b, a);
+ DBG("%s r(%d) g(%d) b(%d) a(%d)\n", __FUNCTION__, r, g, b,
+ a);
- if (!r) tmp |= S5_WRITEDISABLE_RED;
- if (!g) tmp |= S5_WRITEDISABLE_GREEN;
- if (!b) tmp |= S5_WRITEDISABLE_BLUE;
- if (!a) tmp |= S5_WRITEDISABLE_ALPHA;
+ if (!r)
+ tmp |= S5_WRITEDISABLE_RED;
+ if (!g)
+ tmp |= S5_WRITEDISABLE_GREEN;
+ if (!b)
+ tmp |= S5_WRITEDISABLE_BLUE;
+ if (!a)
+ tmp |= S5_WRITEDISABLE_ALPHA;
if (tmp != i915->state.Ctx[I915_CTXREG_LIS5]) {
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
}
}
-static void update_specular( GLcontext *ctx )
+static void
+update_specular(GLcontext * ctx)
{
/* A hack to trigger the rebuild of the fragment program.
*/
- INTEL_CONTEXT(ctx)->NewGLState |= _NEW_TEXTURE;
- I915_CONTEXT(ctx)->tex_program.translated = 0;
+ intel_context(ctx)->NewGLState |= _NEW_TEXTURE;
}
-static void i915LightModelfv(GLcontext *ctx, GLenum pname,
- const GLfloat *param)
+static void
+i915LightModelfv(GLcontext * ctx, GLenum pname, const GLfloat * param)
{
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
+ DBG("%s\n", __FUNCTION__);
+
if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) {
- update_specular( ctx );
+ update_specular(ctx);
}
}
-static void i915ShadeModel(GLcontext *ctx, GLenum mode)
+static void
+i915ShadeModel(GLcontext * ctx, GLenum mode)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
if (mode == GL_SMOOTH) {
- i915->state.Ctx[I915_CTXREG_LIS4] &= ~(S4_FLATSHADE_ALPHA |
- S4_FLATSHADE_COLOR |
- S4_FLATSHADE_SPECULAR);
- } else {
- i915->state.Ctx[I915_CTXREG_LIS4] |= (S4_FLATSHADE_ALPHA |
- S4_FLATSHADE_COLOR |
- S4_FLATSHADE_SPECULAR);
+ i915->state.Ctx[I915_CTXREG_LIS4] &= ~(S4_FLATSHADE_ALPHA |
+ S4_FLATSHADE_COLOR |
+ S4_FLATSHADE_SPECULAR);
+ }
+ else {
+ i915->state.Ctx[I915_CTXREG_LIS4] |= (S4_FLATSHADE_ALPHA |
+ S4_FLATSHADE_COLOR |
+ S4_FLATSHADE_SPECULAR);
}
}
/* =============================================================
* Fog
*/
-static void update_fog( GLcontext *ctx )
+void
+i915_update_fog(GLcontext * ctx)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
GLenum mode;
GLboolean enabled;
GLboolean try_pixel_fog;
-
- if (ctx->FragmentProgram.Enabled && ctx->FragmentProgram.Current) {
+
+ if (ctx->FragmentProgram._Current) {
/* Pull in static fog state from program */
-
- mode = ctx->FragmentProgram.Current->FogOption;
+ mode = ctx->FragmentProgram._Current->FogOption;
enabled = (mode != GL_NONE);
- try_pixel_fog = 1;
+ try_pixel_fog = 0;
}
else {
enabled = ctx->Fog.Enabled;
mode = ctx->Fog.Mode;
-
- try_pixel_fog = (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT &&
- ctx->Hint.Fog == GL_NICEST &&
- 0); /* XXX - DISABLE -- Need ortho fallback */
+#if 0
+ /* XXX - DISABLED -- Need ortho fallback */
+ try_pixel_fog = (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT
+ && ctx->Hint.Fog == GL_NICEST);
+#else
+ try_pixel_fog = 0;
+#endif
}
if (!enabled) {
i915->vertex_fog = I915_FOG_NONE;
}
else if (try_pixel_fog) {
-
I915_STATECHANGE(i915, I915_UPLOAD_FOG);
i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_FOGFUNC_MASK;
i915->vertex_fog = I915_FOG_PIXEL;
-
+
switch (mode) {
case GL_LINEAR:
- if (ctx->Fog.End <= ctx->Fog.Start) {
- /* XXX - this won't work with fragment programs. Need to
- * either fallback or append fog instructions to end of
- * program in the case of linear fog.
- */
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_VERTEX;
- i915->vertex_fog = I915_FOG_VERTEX;
- }
- else {
- GLfloat c1 = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start);
- GLfloat c2 = 1.0/(ctx->Fog.End-ctx->Fog.Start);
-
- i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_C1_MASK;
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_LINEAR;
- i915->state.Fog[I915_FOGREG_MODE1] |=
- ((GLuint)(c1 * FMC1_C1_ONE)) & FMC1_C1_MASK;
-
- if (i915->state.Fog[I915_FOGREG_MODE1] & FMC1_FOGINDEX_Z) {
- i915->state.Fog[I915_FOGREG_MODE2] = (GLuint)(c2 * FMC2_C2_ONE);
- }
- else {
- union { float f; int i; } fi;
- fi.f = c2;
- i915->state.Fog[I915_FOGREG_MODE2] = fi.i;
- }
- }
- break;
+ if (ctx->Fog.End <= ctx->Fog.Start) {
+ /* XXX - this won't work with fragment programs. Need to
+ * either fallback or append fog instructions to end of
+ * program in the case of linear fog.
+ */
+ printf("vertex fog!\n");
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_VERTEX;
+ i915->vertex_fog = I915_FOG_VERTEX;
+ }
+ else {
+ GLfloat c2 = 1.0 / (ctx->Fog.End - ctx->Fog.Start);
+ GLfloat c1 = ctx->Fog.End * c2;
+
+ i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_C1_MASK;
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_LINEAR;
+ i915->state.Fog[I915_FOGREG_MODE1] |=
+ ((GLuint) (c1 * FMC1_C1_ONE)) & FMC1_C1_MASK;
+
+ if (i915->state.Fog[I915_FOGREG_MODE1] & FMC1_FOGINDEX_Z) {
+ i915->state.Fog[I915_FOGREG_MODE2]
+ = (GLuint) (c2 * FMC2_C2_ONE);
+ }
+ else {
+ fi_type fi;
+ fi.f = c2;
+ i915->state.Fog[I915_FOGREG_MODE2] = fi.i;
+ }
+ }
+ break;
case GL_EXP:
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP;
- break;
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP;
+ break;
case GL_EXP2:
- i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP2;
- break;
+ i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_PIXEL_EXP2;
+ break;
default:
- break;
+ break;
}
}
- else /* if (i915->vertex_fog != I915_FOG_VERTEX) */ {
+ else { /* if (i915->vertex_fog != I915_FOG_VERTEX) */
I915_STATECHANGE(i915, I915_UPLOAD_FOG);
i915->state.Fog[I915_FOGREG_MODE1] &= ~FMC1_FOGFUNC_MASK;
i915->state.Fog[I915_FOGREG_MODE1] |= FMC1_FOGFUNC_VERTEX;
i915->vertex_fog = I915_FOG_VERTEX;
}
- {
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- I915_ACTIVESTATE(i915, I915_UPLOAD_FOG, enabled);
- if (enabled)
- i915->state.Ctx[I915_CTXREG_LIS5] |= S5_FOG_ENABLE;
- else
- i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_FOG_ENABLE;
- }
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ I915_ACTIVESTATE(i915, I915_UPLOAD_FOG, enabled);
+ if (enabled)
+ i915->state.Ctx[I915_CTXREG_LIS5] |= S5_FOG_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_FOG_ENABLE;
- if (enabled) {
- _tnl_allow_vertex_fog( ctx, (i915->vertex_fog == I915_FOG_VERTEX) );
- _tnl_allow_pixel_fog( ctx, (i915->vertex_fog != I915_FOG_VERTEX) );
- }
+ /* Always enable pixel fog. Vertex fog using fog coord will conflict
+ * with fog code appended onto fragment program.
+ */
+ _tnl_allow_vertex_fog( ctx, 0 );
+ _tnl_allow_pixel_fog( ctx, 1 );
}
-static void i915Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *param)
+static void
+i915Fogfv(GLcontext * ctx, GLenum pname, const GLfloat * param)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
switch (pname) {
- case GL_FOG_COORDINATE_SOURCE_EXT:
+ case GL_FOG_COORDINATE_SOURCE_EXT:
case GL_FOG_MODE:
case GL_FOG_START:
- case GL_FOG_END:
- update_fog( ctx );
+ case GL_FOG_END:
break;
case GL_FOG_DENSITY:
I915_STATECHANGE(i915, I915_UPLOAD_FOG);
if (i915->state.Fog[I915_FOGREG_MODE1] & FMC1_FOGINDEX_Z) {
- i915->state.Fog[I915_FOGREG_MODE3] = (GLuint)(ctx->Fog.Density *
- FMC3_D_ONE);
+ i915->state.Fog[I915_FOGREG_MODE3] =
+ (GLuint) (ctx->Fog.Density * FMC3_D_ONE);
}
else {
- union { float f; int i; } fi;
- fi.f = ctx->Fog.Density;
- i915->state.Fog[I915_FOGREG_MODE3] = fi.i;
+ fi_type fi;
+ fi.f = ctx->Fog.Density;
+ i915->state.Fog[I915_FOGREG_MODE3] = fi.i;
}
break;
- case GL_FOG_COLOR:
+ case GL_FOG_COLOR:
I915_STATECHANGE(i915, I915_UPLOAD_FOG);
- i915->state.Fog[I915_FOGREG_COLOR] =
- (_3DSTATE_FOG_COLOR_CMD |
- ((GLubyte)(ctx->Fog.Color[0]*255.0F) << 16) |
- ((GLubyte)(ctx->Fog.Color[1]*255.0F) << 8) |
- ((GLubyte)(ctx->Fog.Color[2]*255.0F) << 0));
+ i915->state.Fog[I915_FOGREG_COLOR] =
+ (_3DSTATE_FOG_COLOR_CMD |
+ ((GLubyte) (ctx->Fog.Color[0] * 255.0F) << 16) |
+ ((GLubyte) (ctx->Fog.Color[1] * 255.0F) << 8) |
+ ((GLubyte) (ctx->Fog.Color[2] * 255.0F) << 0));
break;
default:
}
}
-static void i915Hint(GLcontext *ctx, GLenum target, GLenum state)
+static void
+i915Hint(GLcontext * ctx, GLenum target, GLenum state)
{
switch (target) {
case GL_FOG_HINT:
- update_fog( ctx );
break;
default:
break;
/* =============================================================
*/
-static void i915Enable(GLcontext *ctx, GLenum cap, GLboolean state)
+static void
+i915Enable(GLcontext * ctx, GLenum cap, GLboolean state)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
- switch(cap) {
+ switch (cap) {
case GL_TEXTURE_2D:
break;
case GL_LIGHTING:
case GL_COLOR_SUM:
- update_specular( ctx );
+ update_specular(ctx);
break;
case GL_ALPHA_TEST:
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
if (state)
- i915->state.Ctx[I915_CTXREG_LIS6] |= S6_ALPHA_TEST_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS6] |= S6_ALPHA_TEST_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_ALPHA_TEST_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_ALPHA_TEST_ENABLE;
break;
case GL_BLEND:
/* Logicop doesn't seem to work at 16bpp:
*/
- if (i915->intel.intelScreen->cpp == 2)
- FALLBACK( &i915->intel, I915_FALLBACK_LOGICOP, state );
+ if (ctx->Visual.rgbBits == 16)
+ FALLBACK(&i915->intel, I915_FALLBACK_LOGICOP, state);
break;
case GL_FRAGMENT_PROGRAM_ARB:
- update_fog( ctx );
break;
case GL_DITHER:
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
if (state)
- i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_COLOR_DITHER_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_COLOR_DITHER_ENABLE;
break;
case GL_DEPTH_TEST:
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
if (state)
- i915->state.Ctx[I915_CTXREG_LIS6] |= S6_DEPTH_TEST_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS6] |= S6_DEPTH_TEST_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_TEST_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_TEST_ENABLE;
- i915DepthMask( ctx, ctx->Depth.Mask );
+ i915DepthMask(ctx, ctx->Depth.Mask);
break;
case GL_SCISSOR_TEST:
I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
if (state)
- i915->state.Buffer[I915_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
- ENABLE_SCISSOR_RECT);
+ i915->state.Buffer[I915_DESTREG_SENABLE] =
+ (_3DSTATE_SCISSOR_ENABLE_CMD | ENABLE_SCISSOR_RECT);
else
- i915->state.Buffer[I915_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
- DISABLE_SCISSOR_RECT);
+ i915->state.Buffer[I915_DESTREG_SENABLE] =
+ (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
break;
case GL_LINE_SMOOTH:
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
if (state)
- i915->state.Ctx[I915_CTXREG_LIS4] |= S4_LINE_ANTIALIAS_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS4] |= S4_LINE_ANTIALIAS_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_LINE_ANTIALIAS_ENABLE;
+ i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_LINE_ANTIALIAS_ENABLE;
break;
case GL_FOG:
- update_fog( ctx );
break;
case GL_CULL_FACE:
break;
case GL_STENCIL_TEST:
- if (i915->intel.hw_stencil) {
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- if (state)
- i915->state.Ctx[I915_CTXREG_LIS5] |= (S5_STENCIL_TEST_ENABLE |
- S5_STENCIL_WRITE_ENABLE);
- else
- i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_TEST_ENABLE |
- S5_STENCIL_WRITE_ENABLE);
- } else {
- FALLBACK( &i915->intel, I915_FALLBACK_STENCIL, state );
+ {
+ GLboolean hw_stencil = GL_FALSE;
+ if (ctx->DrawBuffer) {
+ struct intel_renderbuffer *irbStencil
+ = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_STENCIL);
+ hw_stencil = (irbStencil && irbStencil->region);
+ }
+ if (hw_stencil) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (state)
+ i915->state.Ctx[I915_CTXREG_LIS5] |= (S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE);
+ else
+ i915->state.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_TEST_ENABLE |
+ S5_STENCIL_WRITE_ENABLE);
+ }
+ else {
+ FALLBACK(&i915->intel, I915_FALLBACK_STENCIL, state);
+ }
}
break;
* I'll do more testing later to find out exactly which hardware
* supports it. Disabled for now.
*/
- if (i915->intel.hw_stipple &&
- i915->intel.reduced_primitive == GL_TRIANGLES)
- {
- I915_STATECHANGE(i915, I915_UPLOAD_STIPPLE);
- if (state)
- i915->state.Stipple[I915_STPREG_ST1] |= ST1_ENABLE;
- else
- i915->state.Stipple[I915_STPREG_ST1] &= ~ST1_ENABLE;
+ if (i915->intel.hw_stipple &&
+ i915->intel.reduced_primitive == GL_TRIANGLES) {
+ I915_STATECHANGE(i915, I915_UPLOAD_STIPPLE);
+ if (state)
+ i915->state.Stipple[I915_STPREG_ST1] |= ST1_ENABLE;
+ else
+ i915->state.Stipple[I915_STPREG_ST1] &= ~ST1_ENABLE;
}
break;
+ case GL_POLYGON_SMOOTH:
+ break;
+
+ case GL_POINT_SPRITE:
+ /* This state change is handled in i915_reduced_primitive_state because
+ * the hardware bit should only be set when rendering points.
+ */
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (state)
+ i915->state.Ctx[I915_CTXREG_LIS4] |= S4_SPRITE_POINT_ENABLE;
+ else
+ i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_SPRITE_POINT_ENABLE;
+ break;
+
+ case GL_POINT_SMOOTH:
+ break;
+
default:
;
}
}
-static void i915_init_packets( i915ContextPtr i915 )
+static void
+i915_init_packets(struct i915_context *i915)
{
- intelScreenPrivate *screen = i915->intel.intelScreen;
-
/* Zero all state */
memset(&i915->state, 0, sizeof(i915->state));
/* Probably don't want to upload all this stuff every time one
* piece changes.
*/
- i915->state.Ctx[I915_CTXREG_LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
- I1_LOAD_S(2) |
- I1_LOAD_S(4) |
- I1_LOAD_S(5) |
- I1_LOAD_S(6) |
- (4));
+ i915->state.Ctx[I915_CTXREG_LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_1 |
+ I1_LOAD_S(2) |
+ I1_LOAD_S(4) |
+ I1_LOAD_S(5) | I1_LOAD_S(6) | (3));
i915->state.Ctx[I915_CTXREG_LIS2] = 0;
i915->state.Ctx[I915_CTXREG_LIS4] = 0;
i915->state.Ctx[I915_CTXREG_LIS5] = 0;
- if (screen->cpp == 2)
- i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;
+ if (i915->intel.ctx.Visual.rgbBits == 16)
+ i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;
i915->state.Ctx[I915_CTXREG_LIS6] = (S6_COLOR_WRITE_ENABLE |
- (2 << S6_TRISTRIP_PV_SHIFT));
+ (2 << S6_TRISTRIP_PV_SHIFT));
i915->state.Ctx[I915_CTXREG_STATE4] = (_3DSTATE_MODES_4_CMD |
- ENABLE_LOGIC_OP_FUNC |
- LOGIC_OP_FUNC(LOGICOP_COPY) |
- ENABLE_STENCIL_TEST_MASK |
- STENCIL_TEST_MASK(0xff) |
- ENABLE_STENCIL_WRITE_MASK |
- STENCIL_WRITE_MASK(0xff));
-
-
- i915->state.Ctx[I915_CTXREG_IAB] = (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD |
- IAB_MODIFY_ENABLE |
- IAB_MODIFY_FUNC |
- IAB_MODIFY_SRC_FACTOR |
- IAB_MODIFY_DST_FACTOR);
-
- i915->state.Ctx[I915_CTXREG_BLENDCOLOR0] = _3DSTATE_CONST_BLEND_COLOR_CMD;
+ ENABLE_LOGIC_OP_FUNC |
+ LOGIC_OP_FUNC(LOGICOP_COPY) |
+ ENABLE_STENCIL_TEST_MASK |
+ STENCIL_TEST_MASK(0xff) |
+ ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_WRITE_MASK(0xff));
+
+ i915->state.Ctx[I915_CTXREG_IAB] =
+ (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | IAB_MODIFY_ENABLE |
+ IAB_MODIFY_FUNC | IAB_MODIFY_SRC_FACTOR | IAB_MODIFY_DST_FACTOR);
+
+ i915->state.Ctx[I915_CTXREG_BLENDCOLOR0] =
+ _3DSTATE_CONST_BLEND_COLOR_CMD;
i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] = 0;
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_MASKS] =
+ _3DSTATE_BACKFACE_STENCIL_MASKS |
+ BFM_ENABLE_STENCIL_TEST_MASK |
+ BFM_ENABLE_STENCIL_WRITE_MASK |
+ (0xff << BFM_STENCIL_WRITE_MASK_SHIFT) |
+ (0xff << BFM_STENCIL_TEST_MASK_SHIFT);
+ i915->state.Ctx[I915_CTXREG_BF_STENCIL_OPS] =
+ _3DSTATE_BACKFACE_STENCIL_OPS |
+ BFO_ENABLE_STENCIL_REF |
+ BFO_ENABLE_STENCIL_FUNCS |
+ BFO_ENABLE_STENCIL_TWO_SIDE;
}
{
I915_STATECHANGE(i915, I915_UPLOAD_FOG);
i915->state.Fog[I915_FOGREG_MODE0] = _3DSTATE_FOG_MODE_CMD;
i915->state.Fog[I915_FOGREG_MODE1] = (FMC1_FOGFUNC_MODIFY_ENABLE |
- FMC1_FOGFUNC_VERTEX |
- FMC1_FOGINDEX_MODIFY_ENABLE |
- FMC1_FOGINDEX_W |
- FMC1_C1_C2_MODIFY_ENABLE |
- FMC1_DENSITY_MODIFY_ENABLE);
+ FMC1_FOGFUNC_VERTEX |
+ FMC1_FOGINDEX_MODIFY_ENABLE |
+ FMC1_FOGINDEX_W |
+ FMC1_C1_C2_MODIFY_ENABLE |
+ FMC1_DENSITY_MODIFY_ENABLE);
i915->state.Fog[I915_FOGREG_COLOR] = _3DSTATE_FOG_COLOR_CMD;
}
-
{
- I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
- i915->state.Buffer[I915_DESTREG_CBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
- i915->state.Buffer[I915_DESTREG_CBUFADDR1] =
- (BUF_3D_ID_COLOR_BACK |
- BUF_3D_PITCH(screen->frontPitch * screen->cpp) |
- BUF_3D_USE_FENCE);
-
-
- i915->state.Buffer[I915_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
- i915->state.Buffer[I915_DESTREG_DBUFADDR1] =
- (BUF_3D_ID_DEPTH |
- BUF_3D_PITCH(screen->depthPitch * screen->cpp) |
- BUF_3D_USE_FENCE);
- i915->state.Buffer[I915_DESTREG_DBUFADDR2] = screen->depthOffset;
-
-
i915->state.Buffer[I915_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
- switch (screen->fbFormat) {
- case DV_PF_555:
- case DV_PF_565:
- i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
- DSTORG_VERT_BIAS(0x8) | /* .5 */
- LOD_PRECLAMP_OGL |
- TEX_DEFAULT_COLOR_OGL |
- DITHER_FULL_ALWAYS |
- screen->fbFormat |
- DEPTH_FRMT_16_FIXED);
- break;
- case DV_PF_8888:
- i915->state.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
- DSTORG_VERT_BIAS(0x8) | /* .5 */
- LOD_PRECLAMP_OGL |
- TEX_DEFAULT_COLOR_OGL |
- screen->fbFormat |
- DEPTH_FRMT_24_FIXED_8_OTHER);
- break;
- }
- i915->state.Buffer[I915_DESTREG_SENABLE] = (_3DSTATE_SCISSOR_ENABLE_CMD |
- DISABLE_SCISSOR_RECT);
+ /* scissor */
+ i915->state.Buffer[I915_DESTREG_SENABLE] =
+ (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
i915->state.Buffer[I915_DESTREG_SR0] = _3DSTATE_SCISSOR_RECT_0_CMD;
i915->state.Buffer[I915_DESTREG_SR1] = 0;
i915->state.Buffer[I915_DESTREG_SR2] = 0;
}
+ i915->state.RasterRules[I915_RASTER_RULES] = _3DSTATE_RASTER_RULES_CMD |
+ ENABLE_POINT_RASTER_RULE |
+ OGL_POINT_RASTER_RULE |
+ ENABLE_LINE_STRIP_PROVOKE_VRTX |
+ ENABLE_TRI_FAN_PROVOKE_VRTX |
+ LINE_STRIP_PROVOKE_VRTX(1) |
+ TRI_FAN_PROVOKE_VRTX(2) | ENABLE_TEXKILL_3D_4D | TEXKILL_4D;
+
+#if 0
+ {
+ I915_STATECHANGE(i915, I915_UPLOAD_DEFAULTS);
+ i915->state.Default[I915_DEFREG_C0] = _3DSTATE_DEFAULT_DIFFUSE;
+ i915->state.Default[I915_DEFREG_C1] = 0;
+ i915->state.Default[I915_DEFREG_S0] = _3DSTATE_DEFAULT_SPECULAR;
+ i915->state.Default[I915_DEFREG_S1] = 0;
+ i915->state.Default[I915_DEFREG_Z0] = _3DSTATE_DEFAULT_Z;
+ i915->state.Default[I915_DEFREG_Z1] = 0;
+ }
+#endif
+
/* These will be emitted every at the head of every buffer, unless
* we get hardware contexts working.
*/
- i915->state.active = (I915_UPLOAD_PROGRAM |
- I915_UPLOAD_STIPPLE |
- I915_UPLOAD_CTX |
- I915_UPLOAD_BUFFERS);
+ i915->state.active = (I915_UPLOAD_PROGRAM |
+ I915_UPLOAD_STIPPLE |
+ I915_UPLOAD_CTX |
+ I915_UPLOAD_BUFFERS |
+ I915_UPLOAD_INVARIENT |
+ I915_UPLOAD_RASTER_RULES);
+}
+
+void
+i915_update_provoking_vertex(GLcontext * ctx)
+{
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS6] &= ~(S6_TRISTRIP_PV_MASK);
+
+ I915_STATECHANGE(i915, I915_UPLOAD_RASTER_RULES);
+ i915->state.RasterRules[I915_RASTER_RULES] &= ~(LINE_STRIP_PROVOKE_VRTX_MASK |
+ TRI_FAN_PROVOKE_VRTX_MASK);
+
+ /* _NEW_LIGHT */
+ if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION) {
+ i915->state.RasterRules[I915_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(1) |
+ TRI_FAN_PROVOKE_VRTX(2));
+ i915->state.Ctx[I915_CTXREG_LIS6] |= (2 << S6_TRISTRIP_PV_SHIFT);
+ } else {
+ i915->state.RasterRules[I915_RASTER_RULES] |= (LINE_STRIP_PROVOKE_VRTX(0) |
+ TRI_FAN_PROVOKE_VRTX(1));
+ i915->state.Ctx[I915_CTXREG_LIS6] |= (0 << S6_TRISTRIP_PV_SHIFT);
+ }
}
-void i915InitStateFunctions( struct dd_function_table *functions )
+void
+i915InitStateFunctions(struct dd_function_table *functions)
{
functions->AlphaFunc = i915AlphaFunc;
functions->BlendColor = i915BlendColor;
functions->LineWidth = i915LineWidth;
functions->LogicOpcode = i915LogicOp;
functions->PointSize = i915PointSize;
+ functions->PointParameterfv = i915PointParameterfv;
functions->PolygonStipple = i915PolygonStipple;
functions->Scissor = i915Scissor;
functions->ShadeModel = i915ShadeModel;
- functions->StencilFunc = i915StencilFunc;
- functions->StencilMask = i915StencilMask;
- functions->StencilOp = i915StencilOp;
+ functions->StencilFuncSeparate = i915StencilFuncSeparate;
+ functions->StencilMaskSeparate = i915StencilMaskSeparate;
+ functions->StencilOpSeparate = i915StencilOpSeparate;
+ functions->DepthRange = i915DepthRange;
+ functions->Viewport = i915Viewport;
}
-void i915InitState( i915ContextPtr i915 )
+void
+i915InitState(struct i915_context *i915)
{
GLcontext *ctx = &i915->intel.ctx;
- i915_init_packets( i915 );
+ i915_init_packets(i915);
- intelInitState( ctx );
-
- memcpy( &i915->initial, &i915->state, sizeof(i915->state) );
- i915->current = &i915->state;
+ _mesa_init_driver_state(ctx);
}
-
-
-
-
-
-
-
projects / mesa.git / blobdiff