Merge branch 'gallium-0.2-radeon' into gallium-0.2

1 files changed, 186 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h
new file mode 100644
index 00000000000..fb91c172f47
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_context.h
@@ -0,0 +1,186 @@
+/*
+ * Copyright 2008 Corbin Simpson <[email protected]>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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 R300_CONTEXT_H
+#define R300_CONTEXT_H
+
+#include "draw/draw_context.h"
+#include "pipe/p_context.h"
+#include "tgsi/tgsi_scan.h"
+#include "util/u_memory.h"
+
+#include "r300_clear.h"
+#include "r300_screen.h"
+#include "r300_winsys.h"
+
+struct r300_blend_state {
+    uint32_t blend_control;       /* R300_RB3D_CBLEND: 0x4e04 */
+    uint32_t alpha_blend_control; /* R300_RB3D_ABLEND: 0x4e08 */
+    uint32_t rop;                 /* R300_RB3D_ROPCNTL: 0x4e18 */
+    uint32_t dither;              /* R300_RB3D_DITHER_CTL: 0x4e50 */
+};
+
+struct r300_blend_color_state {
+    /* RV515 and earlier */
+    uint32_t blend_color;            /* R300_RB3D_BLEND_COLOR: 0x4e10 */
+    /* R520 and newer */
+    uint32_t blend_color_red_alpha;  /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
+    uint32_t blend_color_green_blue; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
+};
+
+struct r300_dsa_state {
+    uint32_t alpha_function;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
+    uint32_t alpha_reference;   /* R500_FG_ALPHA_VALUE: 0x4be0 */
+    uint32_t z_buffer_control;  /* R300_ZB_CNTL: 0x4f00 */
+    uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
+    uint32_t stencil_ref_mask;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
+    uint32_t z_buffer_top;      /* R300_ZB_ZTOP: 0x4f14 */
+    uint32_t stencil_ref_bf;    /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
+};
+
+struct r300_rs_state {
+    uint32_t vap_control_status;    /* R300_VAP_CNTL_STATUS: 0x2140 */
+    uint32_t point_size;            /* R300_GA_POINT_SIZE: 0x421c */
+    uint32_t line_control;          /* R300_GA_LINE_CNTL: 0x4234 */
+    uint32_t depth_scale_front;  /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
+    uint32_t depth_offset_front;/* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
+    uint32_t depth_scale_back;    /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
+    uint32_t depth_offset_back;  /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
+    uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
+    uint32_t cull_mode;             /* R300_SU_CULL_MODE: 0x42b8 */
+    uint32_t line_stipple_config;   /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
+    uint32_t line_stipple_value;    /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
+};
+
+struct r300_sampler_state {
+    uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
+    uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
+    uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */
+};
+
+struct r300_scissor_state {
+    uint32_t scissor_top_left;     /* R300_SC_SCISSORS_TL: 0x43e0 */
+    uint32_t scissor_bottom_right; /* R300_SC_SCISSORS_BR: 0x43e4 */
+};
+
+struct r300_texture_state {
+};
+
+#define R300_NEW_BLEND           0x000001
+#define R300_NEW_BLEND_COLOR     0x000002
+#define R300_NEW_DSA             0x000004
+#define R300_NEW_FRAMEBUFFERS    0x000008
+#define R300_NEW_FRAGMENT_SHADER 0x000010
+#define R300_NEW_RASTERIZER      0x000020
+#define R300_NEW_SAMPLER         0x000040
+#define R300_NEW_SCISSOR         0x004000
+#define R300_NEW_TEXTURE         0x008000
+#define R300_NEW_VERTEX_SHADER   0x800000
+#define R300_NEW_KITCHEN_SINK    0xffffff
+
+/* The next several objects are not pure Radeon state; they inherit from
+ * various Gallium classes. */
+
+struct r3xx_fragment_shader {
+    /* Parent class */
+    struct pipe_shader_state state;
+    struct tgsi_shader_info info;
+
+    /* Has this shader been translated yet? */
+    boolean translated;
+};
+
+struct r300_fragment_shader {
+    /* Parent class */
+    struct r3xx_fragment_shader shader;
+};
+
+struct r500_fragment_shader {
+    /* Parent class */
+    struct r3xx_fragment_shader shader;
+};
+
+struct r300_texture {
+    /* Parent class */
+    struct pipe_texture tex;
+
+    /* Offsets into the buffer. */
+    unsigned offset[PIPE_MAX_TEXTURE_LEVELS];
+
+    /* Total size of this texture, in bytes. */
+    unsigned size;
+
+    /* Pipe buffer backing this texture. */
+    struct pipe_buffer* buffer;
+};
+
+struct r300_context {
+    /* Parent class */
+    struct pipe_context context;
+
+    /* The interface to the windowing system, etc. */
+    struct r300_winsys* winsys;
+    /* Draw module. Used mostly for SW TCL. */
+    struct draw_context* draw;
+
+    /* Various CSO state objects. */
+    /* Blend state. */
+    struct r300_blend_state* blend_state;
+    /* Blend color state. */
+    struct r300_blend_color_state* blend_color_state;
+    /* Depth, stencil, and alpha state. */
+    struct r300_dsa_state* dsa_state;
+    /* Fragment shader. */
+    struct r3xx_fragment_shader* fs;
+    /* Framebuffer state. We currently don't need our own version of this. */
+    struct pipe_framebuffer_state framebuffer_state;
+    /* Rasterizer state. */
+    struct r300_rs_state* rs_state;
+    /* Sampler states. */
+    struct r300_sampler_state* sampler_states[8];
+    int sampler_count;
+    /* Scissor state. */
+    struct r300_scissor_state* scissor_state;
+    /* Texture states. */
+    struct r300_texture* textures[8];
+    struct r300_texture_state* texture_states[8];
+    int texture_count;
+    /* Bitmask of dirty state objects. */
+    uint32_t dirty_state;
+    /* Flag indicating whether or not the HW is dirty. */
+    uint32_t dirty_hw;
+};
+
+/* Convenience cast wrapper. */
+static struct r300_context* r300_context(struct pipe_context* context) {
+    return (struct r300_context*)context;
+}
+
+/* Context initialization. */
+void r300_init_state_functions(struct r300_context* r300);
+void r300_init_surface_functions(struct r300_context* r300);
+
+struct pipe_context* r300_create_context(struct pipe_screen* screen,
+                                         struct pipe_winsys* winsys,
+                                         struct r300_winsys* r300_winsys);
+
+#endif /* R300_CONTEXT_H */