/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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
+ * IN NO EVENT SHALL VMWARE 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/fbobject.h"
+#include "main/dd.h"
+#include "main/state.h"
+#include "main/stencil.h"
+#include "main/viewport.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"
+#define FILE_DEBUG_FLAG DEBUG_STATE
-
-static void
-i915StencilFuncSeparate(GLcontext *ctx, GLenum face, GLenum func, GLint ref,
- GLuint mask)
+void
+i915_update_stencil(struct gl_context * ctx)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int test = intel_translate_compare_func( func );
-
- 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);
-
+ 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;
+ GLuint dirty = 0;
+
+ /* 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 = _mesa_get_stencil_ref(ctx, 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 = _mesa_get_stencil_ref(ctx, 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 = _mesa_get_stencil_ref(ctx, 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 = _mesa_get_stencil_ref(ctx, 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];
+ }
+#define set_ctx_bits(reg, mask, set) do{ \
+ GLuint dw = i915->state.Ctx[reg]; \
+ dw &= ~(mask); \
+ dw |= (set); \
+ dirty |= dw != i915->state.Ctx[reg]; \
+ i915->state.Ctx[reg] = dw; \
+} while(0)
+
+ /* Set front state. */
+ set_ctx_bits(I915_CTXREG_STATE4,
+ MODE4_ENABLE_STENCIL_TEST_MASK |
+ MODE4_ENABLE_STENCIL_WRITE_MASK,
+ ENABLE_STENCIL_TEST_MASK |
+ ENABLE_STENCIL_WRITE_MASK |
+ STENCIL_TEST_MASK(front_mask) |
+ STENCIL_WRITE_MASK(front_writemask));
+
+ set_ctx_bits(I915_CTXREG_LIS5,
+ S5_STENCIL_REF_MASK |
+ S5_STENCIL_TEST_FUNC_MASK |
+ S5_STENCIL_FAIL_MASK |
+ S5_STENCIL_PASS_Z_FAIL_MASK |
+ S5_STENCIL_PASS_Z_PASS_MASK,
+ (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) {
+ set_ctx_bits(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,
+ 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));
+
+ set_ctx_bits(I915_CTXREG_BF_STENCIL_MASKS,
+ BFM_STENCIL_TEST_MASK_MASK |
+ BFM_STENCIL_WRITE_MASK_MASK,
+ BFM_STENCIL_TEST_MASK(back_mask) |
+ BFM_STENCIL_WRITE_MASK(back_writemask));
+ } else {
+ set_ctx_bits(I915_CTXREG_BF_STENCIL_OPS,
+ BFO_STENCIL_TWO_SIDE, 0);
+ }
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- i915->state.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
- i915->state.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
- STENCIL_TEST_MASK(mask));
+#undef set_ctx_bits
- 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));
+ if (dirty)
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
}
static void
-i915StencilMaskSeparate(GLcontext *ctx, GLenum face, GLuint mask)
+i915StencilFuncSeparate(struct gl_context * 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 void
+i915StencilMaskSeparate(struct gl_context * ctx, GLenum face, GLuint mask)
+{
+}
static void
-i915StencilOpSeparate(GLcontext *ctx, GLenum face, GLenum fail, GLenum zfail,
+i915StencilOpSeparate(struct gl_context * ctx, GLenum face, GLenum fail, GLenum zfail,
GLenum zpass)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int fop = intel_translate_stencil_op(fail);
- int dfop = intel_translate_stencil_op(zfail);
- int dpop = intel_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(struct gl_context * ctx, GLenum func, GLfloat ref)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int test = intel_translate_compare_func( func );
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ int test = intel_translate_compare_func(func);
GLubyte refByte;
+ GLuint dw;
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);
- i915->state.Ctx[I915_CTXREG_LIS6] |= ((test << S6_ALPHA_TEST_FUNC_SHIFT) |
- (((GLuint)refByte) << S6_ALPHA_REF_SHIFT));
+ dw = i915->state.Ctx[I915_CTXREG_LIS6];
+ dw &= ~(S6_ALPHA_TEST_FUNC_MASK | S6_ALPHA_REF_MASK);
+ dw |= ((test << S6_ALPHA_TEST_FUNC_SHIFT) |
+ (((GLuint) refByte) << S6_ALPHA_REF_SHIFT));
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ i915->state.Ctx[I915_CTXREG_LIS6] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
}
/* This function makes sure that the proper enables are
- * set for LogicOp, Independant Alpha Blend, and Blending.
+ * set for LogicOp, Independent Alpha Blend, and Blending.
* It needs to be called from numerous places where we
- * could change the LogicOp or Independant Alpha Blend without subsequent
+ * could change the LogicOp or Independent Alpha Blend without subsequent
* calls to glEnable.
*/
-static void i915EvalLogicOpBlendState(GLcontext *ctx)
+static void
+i915EvalLogicOpBlendState(struct gl_context * ctx)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ GLuint dw0, dw1;
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ dw0 = i915->state.Ctx[I915_CTXREG_LIS5];
+ dw1 = i915->state.Ctx[I915_CTXREG_LIS6];
- 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 {
- i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_LOGICOP_ENABLE;
+ if (ctx->Color.ColorLogicOpEnabled) {
+ dw0 |= S5_LOGICOP_ENABLE;
+ dw1 &= ~S6_CBUF_BLEND_ENABLE;
+ }
+ else {
+ dw0 &= ~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;
+ dw1 |= S6_CBUF_BLEND_ENABLE;
+ }
+ else {
+ dw1 &= ~S6_CBUF_BLEND_ENABLE;
}
}
+ if (dw0 != i915->state.Ctx[I915_CTXREG_LIS5] ||
+ dw1 != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ i915->state.Ctx[I915_CTXREG_LIS5] = dw0;
+ i915->state.Ctx[I915_CTXREG_LIS6] = dw1;
+
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
}
-static void i915BlendColor(GLcontext *ctx, const GLfloat color[4])
+static void
+i915BlendColor(struct gl_context * ctx, const GLfloat color[4])
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
GLubyte r, g, b, a;
+ GLuint dw;
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
+ DBG("%s\n", __func__);
+
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;
+ dw = (a << 24) | (r << 16) | (g << 8) | b;
+ if (dw != i915->state.Blend[I915_BLENDREG_BLENDCOLOR1]) {
+ i915->state.Blend[I915_BLENDREG_BLENDCOLOR1] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_BLEND);
+ }
}
-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(struct gl_context * 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));
-
- GLuint eqRGB = ctx->Color.BlendEquationRGB;
- GLuint eqA = ctx->Color.BlendEquationA;
- GLuint srcRGB = ctx->Color.BlendSrcRGB;
- GLuint dstRGB = ctx->Color.BlendDstRGB;
- GLuint srcA = ctx->Color.BlendSrcA;
- GLuint dstA = ctx->Color.BlendDstA;
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ GLuint iab = (i915->state.Blend[I915_BLENDREG_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.Blend[0].EquationRGB;
+ GLuint eqA = ctx->Color.Blend[0].EquationA;
+ GLuint srcRGB = ctx->Color.Blend[0].SrcRGB;
+ GLuint dstRGB = ctx->Color.Blend[0].DstRGB;
+ GLuint srcA = ctx->Color.Blend[0].SrcA;
+ GLuint dstA = ctx->Color.Blend[0].DstA;
if (eqRGB == GL_MIN || eqRGB == GL_MAX) {
srcRGB = dstRGB = GL_ONE;
srcA = dstA = GL_ONE;
}
- 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;
+ 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(intel_translate_blend_factor(srcA));
- iab |= DST_ABLND_FACT(intel_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] ||
- lis6 != i915->state.Ctx[I915_CTXREG_LIS6]) {
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
- i915->state.Ctx[I915_CTXREG_IAB] = iab;
+ if (iab != i915->state.Blend[I915_BLENDREG_IAB]) {
+ i915->state.Blend[I915_BLENDREG_IAB] = iab;
+ I915_STATECHANGE(i915, I915_UPLOAD_BLEND);
+ }
+ if (lis6 != i915->state.Ctx[I915_CTXREG_LIS6]) {
i915->state.Ctx[I915_CTXREG_LIS6] = lis6;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
}
/* This will catch a logicop blend equation */
}
-static void i915BlendFuncSeparate(GLcontext *ctx, GLenum srcRGB,
- GLenum dstRGB, GLenum srcA,
- GLenum dstA )
-{
- i915UpdateBlendState( ctx );
+static void
+i915BlendFuncSeparate(struct gl_context * ctx, GLenum srcRGB,
+ GLenum dstRGB, GLenum srcA, GLenum dstA)
+{
+ i915UpdateBlendState(ctx);
}
-static void i915BlendEquationSeparate(GLcontext *ctx, GLenum eqRGB,
- GLenum eqA)
+static void
+i915BlendEquationSeparate(struct gl_context * ctx, GLenum eqRGB, GLenum eqA)
{
- i915UpdateBlendState( ctx );
+ i915UpdateBlendState(ctx);
}
-static void i915DepthFunc(GLcontext *ctx, GLenum func)
+static void
+i915DepthFunc(struct gl_context * ctx, GLenum func)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- int test = intel_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);
+ GLuint dw;
- 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;
+ DBG("%s\n", __func__);
+
+ dw = i915->state.Ctx[I915_CTXREG_LIS6];
+ dw &= ~S6_DEPTH_TEST_FUNC_MASK;
+ dw |= test << S6_DEPTH_TEST_FUNC_SHIFT;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS6] = dw;
+ }
}
-static void i915DepthMask(GLcontext *ctx, GLboolean flag)
+static void
+i915DepthMask(struct gl_context * ctx, GLboolean flag)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ GLuint dw;
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s flag (%d)\n", __FUNCTION__, flag);
+ DBG("%s flag (%d)\n", __func__, flag);
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.depthBits)
+ flag = false;
+ dw = i915->state.Ctx[I915_CTXREG_LIS6];
if (flag && ctx->Depth.Test)
- i915->state.Ctx[I915_CTXREG_LIS6] |= S6_DEPTH_WRITE_ENABLE;
+ dw |= S6_DEPTH_WRITE_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_WRITE_ENABLE;
+ dw &= ~S6_DEPTH_WRITE_ENABLE;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS6] = dw;
+ }
+}
+
+
+
+/**
+ * Update the viewport transformation matrix. Depends on:
+ * - viewport pos/size
+ * - depthrange
+ * - window pos/size or FBO size
+ */
+void
+intelCalcViewport(struct gl_context * ctx)
+{
+ struct intel_context *intel = intel_context(ctx);
+ float scale[3], translate[3];
+
+ _mesa_get_viewport_xform(ctx, 0, scale, translate);
+
+ if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) {
+ scale[1] = -scale[1];
+ translate[1] = ctx->DrawBuffer->Height - translate[1];
+ }
+
+ _math_matrix_viewport(&intel->ViewportMatrix,
+ scale, translate, 1.0);
}
+
+/** Called from ctx->Driver.DepthRange() */
+static void
+i915DepthRange(struct gl_context *ctx)
+{
+ 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(struct gl_context * 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(struct gl_context * ctx)
{
- 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", __func__,
+ ctx->Scissor.ScissorArray[0].X, ctx->Scissor.ScissorArray[0].Y,
+ ctx->Scissor.ScissorArray[0].Width, ctx->Scissor.ScissorArray[0].Height);
+
+ if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) {
+ x1 = ctx->Scissor.ScissorArray[0].X;
+ y1 = ctx->DrawBuffer->Height - (ctx->Scissor.ScissorArray[0].Y
+ + ctx->Scissor.ScissorArray[0].Height);
+ x2 = ctx->Scissor.ScissorArray[0].X
+ + ctx->Scissor.ScissorArray[0].Width - 1;
+ y2 = y1 + ctx->Scissor.ScissorArray[0].Height - 1;
+ DBG("%s %d..%d,%d..%d (inverted)\n", __func__, x1, x2, y1, y2);
+ }
+ else {
+ /* FBO - not inverted
+ */
+ x1 = ctx->Scissor.ScissorArray[0].X;
+ y1 = ctx->Scissor.ScissorArray[0].Y;
+ x2 = ctx->Scissor.ScissorArray[0].X
+ + ctx->Scissor.ScissorArray[0].Width - 1;
+ y2 = ctx->Scissor.ScissorArray[0].Y
+ + ctx->Scissor.ScissorArray[0].Height - 1;
+ DBG("%s %d..%d,%d..%d (not inverted)\n", __func__, 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", __func__, 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(struct gl_context * ctx, GLenum opcode)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
int tmp = intel_translate_logic_op(opcode);
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
+ DBG("%s\n", __func__);
+
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(struct gl_context * ctx, GLenum unused)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- GLuint mode;
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ GLuint mode, dw;
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
+ DBG("%s %d\n", __func__,
+ 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 && _mesa_is_user_fbo(ctx->DrawBuffer))
+ 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_STATECHANGE(i915, I915_UPLOAD_CTX);
- i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_CULLMODE_MASK;
- i915->state.Ctx[I915_CTXREG_LIS4] |= mode;
+ dw = i915->state.Ctx[I915_CTXREG_LIS4];
+ dw &= ~S4_CULLMODE_MASK;
+ dw |= mode;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS4]) {
+ i915->state.Ctx[I915_CTXREG_LIS4] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
}
-static void i915LineWidth( GLcontext *ctx, GLfloat widthf )
+static void
+i915LineWidth(struct gl_context * 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", __func__);
+
+ 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(struct gl_context * 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", __func__);
+
+ 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(struct gl_context * 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;
+ }
+}
+
+void
+i915_update_sprite_point_enable(struct gl_context *ctx)
+{
+ struct intel_context *intel = intel_context(ctx);
+ /* _NEW_PROGRAM */
+ struct i915_fragment_program *p =
+ (struct i915_fragment_program *) ctx->FragmentProgram._Current;
+ const GLbitfield64 inputsRead = p->FragProg.Base.InputsRead;
+ struct i915_context *i915 = i915_context(ctx);
+ GLuint s4 = i915->state.Ctx[I915_CTXREG_LIS4] & ~S4_VFMT_MASK;
+ int i;
+ GLuint coord_replace_bits = 0x0;
+ GLuint tex_coord_unit_bits = 0x0;
+
+ for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+ /* _NEW_POINT */
+ if (ctx->Point.CoordReplace[i] && ctx->Point.PointSprite)
+ coord_replace_bits |= (1 << i);
+ if (inputsRead & VARYING_BIT_TEX(i))
+ tex_coord_unit_bits |= (1 << i);
+ }
+
+ /*
+ * Here we can't enable the SPRITE_POINT_ENABLE bit when the mis-match
+ * of tex_coord_unit_bits and coord_replace_bits, or this will make all
+ * the other non-point-sprite coords(like varying inputs, as we now use
+ * tex coord to implement varying inputs) be replaced to value (0, 0)-(1, 1).
+ *
+ * Thus, do fallback when needed.
+ */
+ FALLBACK(intel, I915_FALLBACK_COORD_REPLACE,
+ coord_replace_bits && coord_replace_bits != tex_coord_unit_bits);
+
+ s4 &= ~S4_SPRITE_POINT_ENABLE;
+ s4 |= (coord_replace_bits && coord_replace_bits == tex_coord_unit_bits) ?
+ S4_SPRITE_POINT_ENABLE : 0;
+ if (s4 != i915->state.Ctx[I915_CTXREG_LIS4]) {
+ i915->state.Ctx[I915_CTXREG_LIS4] = s4;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
+}
+
+
/* =============================================================
* Color masks
*/
-static void i915ColorMask(GLcontext *ctx,
- GLboolean r, GLboolean g,
- GLboolean b, GLboolean a)
+static void
+i915ColorMask(struct gl_context * 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", __func__, 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(struct gl_context * 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(struct gl_context * ctx, GLenum pname, const GLfloat * param)
{
- if (INTEL_DEBUG&DEBUG_DRI)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
+ DBG("%s\n", __func__);
+
if (pname == GL_LIGHT_MODEL_COLOR_CONTROL) {
- update_specular( ctx );
+ update_specular(ctx);
}
}
-static void i915ShadeModel(GLcontext *ctx, GLenum mode)
+static void
+i915ShadeModel(struct gl_context * 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
+ *
+ * This empty function remains because _mesa_init_driver_state calls
+ * dd_function_table::Fogfv unconditionally. We have to have some function
+ * there so that it doesn't try to call a NULL pointer.
*/
-void i915_update_fog( GLcontext *ctx )
-{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
- GLenum mode;
- GLboolean enabled;
- GLboolean try_pixel_fog;
-
- if (ctx->FragmentProgram._Enabled) {
- /* Pull in static fog state from program */
-
- mode = ctx->FragmentProgram._Current->FogOption;
- enabled = (mode != GL_NONE);
- 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 (!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;
- case GL_EXP:
- 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;
- default:
- break;
- }
- }
- 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;
- }
-
- /* always enbale pixel fog
- * vertex fog use precaculted fog coord will conflict with appended
- * fog program
- */
- _tnl_allow_vertex_fog( ctx, 0 );
- _tnl_allow_pixel_fog( ctx, 1 );
-}
-
-static void i915Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *param)
-{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
-
- switch (pname) {
- case GL_FOG_COORDINATE_SOURCE_EXT:
- case GL_FOG_MODE:
- case GL_FOG_START:
- 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);
- }
- else {
- union { float f; int i; } fi;
- fi.f = ctx->Fog.Density;
- i915->state.Fog[I915_FOGREG_MODE3] = fi.i;
- }
- break;
-
- 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));
- break;
-
- default:
- break;
- }
-}
-
-static void i915Hint(GLcontext *ctx, GLenum target, GLenum state)
+static void
+i915Fogfv(struct gl_context * ctx, GLenum pname, const GLfloat * param)
{
- switch (target) {
- case GL_FOG_HINT:
- break;
- default:
- break;
- }
+ (void) ctx;
+ (void) pname;
+ (void) param;
}
/* =============================================================
*/
-static void i915Enable(GLcontext *ctx, GLenum cap, GLboolean state)
+static void
+i915Enable(struct gl_context * ctx, GLenum cap, GLboolean state)
{
- i915ContextPtr i915 = I915_CONTEXT(ctx);
+ struct i915_context *i915 = I915_CONTEXT(ctx);
+ GLuint dw;
- 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);
+ dw = i915->state.Ctx[I915_CTXREG_LIS6];
if (state)
- i915->state.Ctx[I915_CTXREG_LIS6] |= S6_ALPHA_TEST_ENABLE;
+ dw |= S6_ALPHA_TEST_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_ALPHA_TEST_ENABLE;
+ dw &= ~S6_ALPHA_TEST_ENABLE;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ i915->state.Ctx[I915_CTXREG_LIS6] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
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:
break;
case GL_DITHER:
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ dw = i915->state.Ctx[I915_CTXREG_LIS5];
if (state)
- i915->state.Ctx[I915_CTXREG_LIS5] |= S5_COLOR_DITHER_ENABLE;
+ dw |= S5_COLOR_DITHER_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS5] &= ~S5_COLOR_DITHER_ENABLE;
+ dw &= ~S5_COLOR_DITHER_ENABLE;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS5]) {
+ i915->state.Ctx[I915_CTXREG_LIS5] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
break;
case GL_DEPTH_TEST:
- I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ dw = i915->state.Ctx[I915_CTXREG_LIS6];
+
+ if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.depthBits)
+ state = false;
+
if (state)
- i915->state.Ctx[I915_CTXREG_LIS6] |= S6_DEPTH_TEST_ENABLE;
+ dw |= S6_DEPTH_TEST_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS6] &= ~S6_DEPTH_TEST_ENABLE;
+ dw &= ~S6_DEPTH_TEST_ENABLE;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ i915->state.Ctx[I915_CTXREG_LIS6] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
- 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);
+ dw = i915->state.Ctx[I915_CTXREG_LIS4];
if (state)
- i915->state.Ctx[I915_CTXREG_LIS4] |= S4_LINE_ANTIALIAS_ENABLE;
+ dw |= S4_LINE_ANTIALIAS_ENABLE;
else
- i915->state.Ctx[I915_CTXREG_LIS4] &= ~S4_LINE_ANTIALIAS_ENABLE;
- break;
-
- case GL_FOG:
+ dw &= ~S4_LINE_ANTIALIAS_ENABLE;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS4]) {
+ i915->state.Ctx[I915_CTXREG_LIS4] = dw;
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ }
break;
case GL_CULL_FACE:
break;
case GL_STENCIL_TEST:
- if (i915->intel.hw_stencil) {
+ if (!ctx->DrawBuffer || !ctx->DrawBuffer->Visual.stencilBits)
+ state = false;
+
+ dw = i915->state.Ctx[I915_CTXREG_LIS5];
+ if (state)
+ dw |= (S5_STENCIL_TEST_ENABLE | S5_STENCIL_WRITE_ENABLE);
+ else
+ dw &= ~(S5_STENCIL_TEST_ENABLE | S5_STENCIL_WRITE_ENABLE);
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS5]) {
+ i915->state.Ctx[I915_CTXREG_LIS5] = dw;
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:
- FALLBACK( &i915->intel, I915_FALLBACK_POLYGON_SMOOTH, state );
+ break;
+
+ case GL_POINT_SPRITE:
+ /* Handle it at i915_update_sprite_point_enable () */
break;
case GL_POINT_SMOOTH:
- FALLBACK( &i915->intel, I915_FALLBACK_POINT_SMOOTH, state );
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));
{
I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ I915_STATECHANGE(i915, I915_UPLOAD_BLEND);
/* 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;
- i915->state.Ctx[I915_CTXREG_BLENDCOLOR1] = 0;
-
+ 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.Blend[I915_BLENDREG_IAB] =
+ (_3DSTATE_INDEPENDENT_ALPHA_BLEND_CMD | IAB_MODIFY_ENABLE |
+ IAB_MODIFY_FUNC | IAB_MODIFY_SRC_FACTOR | IAB_MODIFY_DST_FACTOR);
+
+ i915->state.Blend[I915_BLENDREG_BLENDCOLOR0] =
+ _3DSTATE_CONST_BLEND_COLOR_CMD;
+ i915->state.Blend[I915_BLENDREG_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->state.Stipple[I915_STPREG_ST0] = _3DSTATE_STIPPLE;
}
-
{
- 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);
- i915->state.Fog[I915_FOGREG_COLOR] = _3DSTATE_FOG_COLOR_CMD;
- }
-
-
- {
- I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
- /* color buffer offset/stride */
- 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->front.pitch) | /* pitch in bytes */
- BUF_3D_USE_FENCE);
- /*i915->state.Buffer[I915_DESTREG_CBUFADDR2] is the offset */
-
-
- /* depth/Z buffer offset/stride */
- i915->state.Buffer[I915_DESTREG_DBUFADDR0] = _3DSTATE_BUF_INFO_CMD;
- i915->state.Buffer[I915_DESTREG_DBUFADDR1] =
- (BUF_3D_ID_DEPTH |
- BUF_3D_PITCH(screen->depth.pitch) | /* pitch in bytes */
- BUF_3D_USE_FENCE);
- i915->state.Buffer[I915_DESTREG_DBUFADDR2] = screen->depth.offset;
-
-
i915->state.Buffer[I915_DESTREG_DV0] = _3DSTATE_DST_BUF_VARS_CMD;
- /* color/depth pixel format */
- 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;
- }
-
/* 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.Buffer[I915_DESTREG_SENABLE] =
+ (_3DSTATE_SCISSOR_ENABLE_CMD | DISABLE_SCISSOR_RECT);
}
+ 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_UPLOAD_INVARIENT);
+ i915->state.active = (I915_UPLOAD_PROGRAM |
+ I915_UPLOAD_STIPPLE |
+ I915_UPLOAD_CTX |
+ I915_UPLOAD_BLEND |
+ I915_UPLOAD_BUFFERS |
+ I915_UPLOAD_INVARIENT |
+ I915_UPLOAD_RASTER_RULES);
+}
+
+void
+i915_update_provoking_vertex(struct gl_context * 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);
+ }
+}
+
+/* Fallback to swrast for select and feedback.
+ */
+static void
+i915RenderMode(struct gl_context *ctx, GLenum mode)
+{
+ struct intel_context *intel = intel_context(ctx);
+ FALLBACK(intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER));
}
-void i915InitStateFunctions( struct dd_function_table *functions )
+void
+i915InitStateFunctions(struct dd_function_table *functions)
{
functions->AlphaFunc = i915AlphaFunc;
functions->BlendColor = i915BlendColor;
functions->Enable = i915Enable;
functions->Fogfv = i915Fogfv;
functions->FrontFace = i915CullFaceFrontFace;
- functions->Hint = i915Hint;
functions->LightModelfv = i915LightModelfv;
functions->LineWidth = i915LineWidth;
functions->LogicOpcode = i915LogicOp;
functions->PointSize = i915PointSize;
+ functions->PointParameterfv = i915PointParameterfv;
functions->PolygonStipple = i915PolygonStipple;
+ functions->RenderMode = i915RenderMode;
functions->Scissor = i915Scissor;
functions->ShadeModel = i915ShadeModel;
functions->StencilFuncSeparate = i915StencilFuncSeparate;
functions->StencilMaskSeparate = i915StencilMaskSeparate;
functions->StencilOpSeparate = i915StencilOpSeparate;
+ functions->DepthRange = i915DepthRange;
}
-void i915InitState( i915ContextPtr i915 )
+void
+i915InitState(struct i915_context *i915)
{
- GLcontext *ctx = &i915->intel.ctx;
-
- i915_init_packets( i915 );
+ struct gl_context *ctx = &i915->intel.ctx;
- intelInitState( ctx );
+ i915_init_packets(i915);
- memcpy( &i915->initial, &i915->state, sizeof(i915->state) );
- i915->current = &i915->state;
+ _mesa_init_driver_state(ctx);
}
-
-
-
-
-
-
-