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Diffstat (limited to 'src/mesa/drivers/dri/i915tex/i915_context.h')
-rw-r--r--src/mesa/drivers/dri/i915tex/i915_context.h367
1 files changed, 367 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915tex/i915_context.h b/src/mesa/drivers/dri/i915tex/i915_context.h
new file mode 100644
index 00000000000..5ae76fcd185
--- /dev/null
+++ b/src/mesa/drivers/dri/i915tex/i915_context.h
@@ -0,0 +1,367 @@
+ /**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef I915CONTEXT_INC
+#define I915CONTEXT_INC
+
+#include "intel_context.h"
+
+#define I915_FALLBACK_TEXTURE 0x1000
+#define I915_FALLBACK_COLORMASK 0x2000
+#define I915_FALLBACK_STENCIL 0x4000
+#define I915_FALLBACK_STIPPLE 0x8000
+#define I915_FALLBACK_PROGRAM 0x10000
+#define I915_FALLBACK_LOGICOP 0x20000
+#define I915_FALLBACK_POLYGON_SMOOTH 0x40000
+#define I915_FALLBACK_POINT_SMOOTH 0x80000
+
+#define I915_UPLOAD_CTX 0x1
+#define I915_UPLOAD_BUFFERS 0x2
+#define I915_UPLOAD_STIPPLE 0x4
+#define I915_UPLOAD_PROGRAM 0x8
+#define I915_UPLOAD_CONSTANTS 0x10
+#define I915_UPLOAD_FOG 0x20
+#define I915_UPLOAD_INVARIENT 0x40
+#define I915_UPLOAD_DEFAULTS 0x80
+#define I915_UPLOAD_TEX(i) (0x00010000<<(i))
+#define I915_UPLOAD_TEX_ALL (0x00ff0000)
+#define I915_UPLOAD_TEX_0_SHIFT 16
+
+
+/* State structure offsets - these will probably disappear.
+ */
+#define I915_DESTREG_CBUFADDR0 0
+#define I915_DESTREG_CBUFADDR1 1
+#define I915_DESTREG_DBUFADDR0 3
+#define I915_DESTREG_DBUFADDR1 4
+#define I915_DESTREG_DV0 6
+#define I915_DESTREG_DV1 7
+#define I915_DESTREG_SENABLE 8
+#define I915_DESTREG_SR0 9
+#define I915_DESTREG_SR1 10
+#define I915_DESTREG_SR2 11
+#define I915_DEST_SETUP_SIZE 12
+
+#define I915_CTXREG_STATE4 0
+#define I915_CTXREG_LI 1
+#define I915_CTXREG_LIS2 2
+#define I915_CTXREG_LIS4 3
+#define I915_CTXREG_LIS5 4
+#define I915_CTXREG_LIS6 5
+#define I915_CTXREG_IAB 6
+#define I915_CTXREG_BLENDCOLOR0 7
+#define I915_CTXREG_BLENDCOLOR1 8
+#define I915_CTX_SETUP_SIZE 9
+
+#define I915_FOGREG_COLOR 0
+#define I915_FOGREG_MODE0 1
+#define I915_FOGREG_MODE1 2
+#define I915_FOGREG_MODE2 3
+#define I915_FOGREG_MODE3 4
+#define I915_FOG_SETUP_SIZE 5
+
+#define I915_STPREG_ST0 0
+#define I915_STPREG_ST1 1
+#define I915_STP_SETUP_SIZE 2
+
+#define I915_TEXREG_MS3 1
+#define I915_TEXREG_MS4 2
+#define I915_TEXREG_SS2 3
+#define I915_TEXREG_SS3 4
+#define I915_TEXREG_SS4 5
+#define I915_TEX_SETUP_SIZE 6
+
+#define I915_DEFREG_C0 0
+#define I915_DEFREG_C1 1
+#define I915_DEFREG_S0 2
+#define I915_DEFREG_S1 3
+#define I915_DEFREG_Z0 4
+#define I915_DEFREG_Z1 5
+#define I915_DEF_SETUP_SIZE 6
+
+
+#define I915_MAX_CONSTANT 32
+#define I915_CONSTANT_SIZE (2+(4*I915_MAX_CONSTANT))
+
+
+#define I915_PROGRAM_SIZE 192
+
+
+/* Hardware version of a parsed fragment program. "Derived" from the
+ * mesa fragment_program struct.
+ */
+struct i915_fragment_program
+{
+ struct gl_fragment_program FragProg;
+
+ GLboolean translated;
+ GLboolean params_uptodate;
+ GLboolean on_hardware;
+ GLboolean error; /* If program is malformed for any reason. */
+
+ GLuint nr_tex_indirect;
+ GLuint nr_tex_insn;
+ GLuint nr_alu_insn;
+ GLuint nr_decl_insn;
+
+
+
+
+ /* TODO: split between the stored representation of a program and
+ * the state used to build that representation.
+ */
+ GLcontext *ctx;
+
+ GLuint declarations[I915_PROGRAM_SIZE];
+ GLuint program[I915_PROGRAM_SIZE];
+
+ GLfloat constant[I915_MAX_CONSTANT][4];
+ GLuint constant_flags[I915_MAX_CONSTANT];
+ GLuint nr_constants;
+
+ GLuint *csr; /* Cursor, points into program.
+ */
+
+ GLuint *decl; /* Cursor, points into declarations.
+ */
+
+ GLuint decl_s; /* flags for which s regs need to be decl'd */
+ GLuint decl_t; /* flags for which t regs need to be decl'd */
+
+ GLuint temp_flag; /* Tracks temporary regs which are in
+ * use.
+ */
+
+ GLuint utemp_flag; /* Tracks TYPE_U temporary regs which are in
+ * use.
+ */
+
+
+
+ /* Helpers for i915_fragprog.c:
+ */
+ GLuint wpos_tex;
+ GLboolean depth_written;
+
+ struct
+ {
+ GLuint reg; /* Hardware constant idx */
+ const GLfloat *values; /* Pointer to tracked values */
+ } param[I915_MAX_CONSTANT];
+ GLuint nr_params;
+
+
+ /* Helpers for i915_texprog.c:
+ */
+ GLuint src_texture; /* Reg containing sampled texture color,
+ * else UREG_BAD.
+ */
+
+ GLuint src_previous; /* Reg containing color from previous
+ * stage. May need to be decl'd.
+ */
+
+ GLuint last_tex_stage; /* Number of last enabled texture unit */
+
+ struct vertex_buffer *VB;
+};
+
+
+
+
+
+
+
+#define I915_TEX_UNITS 8
+
+
+struct i915_hw_state
+{
+ GLuint Ctx[I915_CTX_SETUP_SIZE];
+ GLuint Buffer[I915_DEST_SETUP_SIZE];
+ GLuint Stipple[I915_STP_SETUP_SIZE];
+ GLuint Fog[I915_FOG_SETUP_SIZE];
+ GLuint Defaults[I915_DEF_SETUP_SIZE];
+ GLuint Tex[I915_TEX_UNITS][I915_TEX_SETUP_SIZE];
+ GLuint Constant[I915_CONSTANT_SIZE];
+ GLuint ConstantSize;
+ GLuint Program[I915_PROGRAM_SIZE];
+ GLuint ProgramSize;
+
+ /* Region pointers for relocation:
+ */
+ struct intel_region *draw_region;
+ struct intel_region *depth_region;
+/* struct intel_region *tex_region[I915_TEX_UNITS]; */
+
+ /* Regions aren't actually that appropriate here as the memory may
+ * be from a PBO or FBO. Just use the buffer id. Will have to do
+ * this for draw and depth for FBO's...
+ */
+ struct _DriBufferObject *tex_buffer[I915_TEX_UNITS];
+ GLuint tex_offset[I915_TEX_UNITS];
+
+
+ GLuint active; /* I915_UPLOAD_* */
+ GLuint emitted; /* I915_UPLOAD_* */
+};
+
+#define I915_FOG_PIXEL 2
+#define I915_FOG_VERTEX 1
+#define I915_FOG_NONE 0
+
+struct i915_context
+{
+ struct intel_context intel;
+
+ GLuint last_ReallyEnabled;
+ GLuint vertex_fog;
+ GLuint lodbias_ss2[MAX_TEXTURE_UNITS];
+
+
+ struct i915_fragment_program tex_program;
+ struct i915_fragment_program *current_program;
+
+ struct i915_hw_state meta, initial, state, *current;
+};
+
+
+#define I915_STATECHANGE(i915, flag) \
+do { \
+ INTEL_FIREVERTICES( &(i915)->intel ); \
+ (i915)->state.emitted &= ~(flag); \
+} while (0)
+
+#define I915_ACTIVESTATE(i915, flag, mode) \
+do { \
+ INTEL_FIREVERTICES( &(i915)->intel ); \
+ if (mode) \
+ (i915)->state.active |= (flag); \
+ else \
+ (i915)->state.active &= ~(flag); \
+} while (0)
+
+
+/*======================================================================
+ * i915_vtbl.c
+ */
+extern void i915InitVtbl(struct i915_context *i915);
+
+extern void
+i915_state_draw_region(struct intel_context *intel,
+ struct i915_hw_state *state,
+ struct intel_region *color_region,
+ struct intel_region *depth_region);
+
+
+
+#define SZ_TO_HW(sz) ((sz-2)&0x3)
+#define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
+#define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
+do { \
+ intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
+ intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
+ s4 |= S4; \
+ intel->vertex_attr_count++; \
+ offset += (SZ); \
+} while (0)
+
+#define EMIT_PAD( N ) \
+do { \
+ intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
+ intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
+ intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
+ intel->vertex_attr_count++; \
+ offset += (N); \
+} while (0)
+
+
+
+/*======================================================================
+ * i915_context.c
+ */
+extern GLboolean i915CreateContext(const __GLcontextModes * mesaVis,
+ __DRIcontextPrivate * driContextPriv,
+ void *sharedContextPrivate);
+
+
+/*======================================================================
+ * i915_texprog.c
+ */
+extern void i915ValidateTextureProgram(struct i915_context *i915);
+
+
+/*======================================================================
+ * i915_debug.c
+ */
+extern void i915_disassemble_program(const GLuint * program, GLuint sz);
+extern void i915_print_ureg(const char *msg, GLuint ureg);
+
+
+/*======================================================================
+ * i915_state.c
+ */
+extern void i915InitStateFunctions(struct dd_function_table *functions);
+extern void i915InitState(struct i915_context *i915);
+extern void i915_update_fog(GLcontext * ctx);
+
+
+/*======================================================================
+ * i915_tex.c
+ */
+extern void i915UpdateTextureState(struct intel_context *intel);
+extern void i915InitTextureFuncs(struct dd_function_table *functions);
+
+/*======================================================================
+ * i915_metaops.c
+ */
+void i915InitMetaFuncs(struct i915_context *i915);
+
+
+/*======================================================================
+ * i915_fragprog.c
+ */
+extern void i915ValidateFragmentProgram(struct i915_context *i915);
+extern void i915InitFragProgFuncs(struct dd_function_table *functions);
+
+/*======================================================================
+ * Inline conversion functions. These are better-typed than the
+ * macros used previously:
+ */
+static INLINE struct i915_context *
+i915_context(GLcontext * ctx)
+{
+ return (struct i915_context *) ctx;
+}
+
+
+
+#define I915_CONTEXT(ctx) i915_context(ctx)
+
+
+
+#endif