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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_state.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_state.c233
1 files changed, 233 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_state.c b/src/mesa/drivers/dri/intel/intel_state.c
new file mode 100644
index 0000000000..4ee742377d
--- /dev/null
+++ b/src/mesa/drivers/dri/intel/intel_state.c
@@ -0,0 +1,233 @@
+/**************************************************************************
+ *
+ * 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 "main/glheader.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/enums.h"
+#include "main/colormac.h"
+#include "main/dd.h"
+
+#include "intel_screen.h"
+#include "intel_context.h"
+#include "intel_regions.h"
+#include "swrast/swrast.h"
+
+int
+intel_translate_shadow_compare_func(GLenum func)
+{
+ switch (func) {
+ case GL_NEVER:
+ return COMPAREFUNC_ALWAYS;
+ case GL_LESS:
+ return COMPAREFUNC_LEQUAL;
+ case GL_LEQUAL:
+ return COMPAREFUNC_LESS;
+ case GL_GREATER:
+ return COMPAREFUNC_GEQUAL;
+ case GL_GEQUAL:
+ return COMPAREFUNC_GREATER;
+ case GL_NOTEQUAL:
+ return COMPAREFUNC_EQUAL;
+ case GL_EQUAL:
+ return COMPAREFUNC_NOTEQUAL;
+ case GL_ALWAYS:
+ return COMPAREFUNC_NEVER;
+ }
+
+ fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
+ return COMPAREFUNC_NEVER;
+}
+
+int
+intel_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:
+ return COMPAREFUNC_ALWAYS;
+ }
+
+ fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
+ return COMPAREFUNC_ALWAYS;
+}
+
+int
+intel_translate_stencil_op(GLenum op)
+{
+ 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 STENCILOP_ZERO;
+ }
+}
+
+int
+intel_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;
+ }
+
+ fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, factor);
+ return BLENDFACT_ZERO;
+}
+
+int
+intel_translate_logic_op(GLenum opcode)
+{
+ switch (opcode) {
+ case GL_CLEAR:
+ return LOGICOP_CLEAR;
+ case GL_AND:
+ return LOGICOP_AND;
+ case GL_AND_REVERSE:
+ return LOGICOP_AND_RVRSE;
+ case GL_COPY:
+ return LOGICOP_COPY;
+ case GL_COPY_INVERTED:
+ return LOGICOP_COPY_INV;
+ case GL_AND_INVERTED:
+ return LOGICOP_AND_INV;
+ case GL_NOOP:
+ return LOGICOP_NOOP;
+ case GL_XOR:
+ return LOGICOP_XOR;
+ case GL_OR:
+ return LOGICOP_OR;
+ case GL_OR_INVERTED:
+ return LOGICOP_OR_INV;
+ case GL_NOR:
+ return LOGICOP_NOR;
+ case GL_EQUIV:
+ return LOGICOP_EQUIV;
+ case GL_INVERT:
+ return LOGICOP_INV;
+ case GL_OR_REVERSE:
+ return LOGICOP_OR_RVRSE;
+ case GL_NAND:
+ return LOGICOP_NAND;
+ case GL_SET:
+ return LOGICOP_SET;
+ default:
+ return LOGICOP_SET;
+ }
+}
+
+
+static void
+intelClearColor(GLcontext *ctx, const GLfloat color[4])
+{
+ struct intel_context *intel = intel_context(ctx);
+ GLubyte clear[4];
+
+ CLAMPED_FLOAT_TO_UBYTE(clear[0], color[0]);
+ CLAMPED_FLOAT_TO_UBYTE(clear[1], color[1]);
+ CLAMPED_FLOAT_TO_UBYTE(clear[2], color[2]);
+ CLAMPED_FLOAT_TO_UBYTE(clear[3], color[3]);
+
+ /* compute both 32 and 16-bit clear values */
+ intel->ClearColor8888 = INTEL_PACKCOLOR8888(clear[0], clear[1],
+ clear[2], clear[3]);
+ intel->ClearColor565 = INTEL_PACKCOLOR565(clear[0], clear[1], clear[2]);
+}
+
+
+/* Fallback to swrast for select and feedback.
+ */
+static void
+intelRenderMode(GLcontext *ctx, GLenum mode)
+{
+ struct intel_context *intel = intel_context(ctx);
+ FALLBACK(intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER));
+}
+
+
+void
+intelInitStateFuncs(struct dd_function_table *functions)
+{
+ functions->RenderMode = intelRenderMode;
+ functions->ClearColor = intelClearColor;
+}