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authorKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
committerKeith Whitwell <keith@tungstengraphics.com>2008-09-11 16:05:15 +0100
commit0397b2bb41b0f337af2949a15bcd7d0e7e8a7dc1 (patch)
tree732c93d74ed806942a13bf15575a61aa4f001253 /src/gallium/include/pipe/p_state.h
parent80af50b35b5a4e8890e15b28940576f8a1ac1476 (diff)
parente6887a5752774c18cf527477fdd3e57e4893ff3b (diff)
Merge branch 'gallium-0.1' into gallium-0.2
A first attempt at moving gallium onto a branch directly off master... It will be interesting to see how much work this takes to get running. Have resolved the conflicts semi-arbitarily, not compiled or tested. Conflicts: .gitignore Makefile configs/config.mgw configs/darwin configs/darwin-x86ppc configs/default configs/freebsd-dri configs/linux-dri configs/linux-dri-xcb configs/linux-fbdev configs/linux-static configs/linux-x86-64-static configs/linux-x86-static doxygen/Makefile include/GL/gl.h progs/demos/Makefile progs/demos/descrip.mms progs/demos/texenv.c progs/egl/.gitignore progs/egl/Makefile progs/glsl/.gitignore progs/glsl/Makefile progs/glsl/convolutions.c progs/samples/Makefile.mgw progs/tests/.gitignore progs/trivial/.gitignore progs/trivial/point-param.c progs/trivial/tri.c progs/xdemos/.gitignore progs/xdemos/glthreads.c src/egl/drivers/demo/Makefile src/egl/drivers/dri/Makefile src/egl/main/Makefile src/glu/Makefile src/glu/sgi/Makefile src/glu/sgi/Makefile.mgw src/glut/glx/Makefile.mgw src/glut/os2/WarpWin.cpp src/glut/os2/glut_cindex.cpp src/glut/os2/glut_gamemode.cpp src/glut/os2/glut_win.cpp src/glut/os2/glut_winmisc.cpp src/glut/os2/os2_glx.cpp src/glut/os2/os2_menu.cpp src/glut/os2/os2_winproc.cpp src/glw/Makefile src/glx/x11/dri_glx.c src/glx/x11/glxext.c src/mesa/Makefile src/mesa/Makefile.mgw src/mesa/descrip.mms src/mesa/drivers/beos/Makefile src/mesa/drivers/common/descrip.mms src/mesa/drivers/common/driverfuncs.c src/mesa/drivers/directfb/Makefile src/mesa/drivers/dri/Makefile.template src/mesa/drivers/dri/common/dri_bufmgr.c src/mesa/drivers/dri/common/dri_bufmgr.h src/mesa/drivers/dri/common/dri_util.c src/mesa/drivers/dri/common/extension_helper.h src/mesa/drivers/dri/common/mmio.h src/mesa/drivers/dri/common/utils.c src/mesa/drivers/dri/common/utils.h src/mesa/drivers/dri/glcore/Makefile src/mesa/drivers/dri/i810/i810screen.c src/mesa/drivers/dri/i915/intel_ioctl.c src/mesa/drivers/dri/i915/intel_ioctl.h src/mesa/drivers/dri/i915/intel_screen.c src/mesa/drivers/dri/i915/server/i830_common.h src/mesa/drivers/dri/i915/server/i830_dri.h src/mesa/drivers/dri/i965/intel_screen.c src/mesa/drivers/dri/i965/server/i830_common.h src/mesa/drivers/dri/i965/server/i830_dri.h src/mesa/drivers/dri/mach64/mach64_screen.c src/mesa/drivers/dri/nouveau/nouveau_context.h src/mesa/drivers/dri/nouveau/nouveau_fifo.c src/mesa/drivers/dri/nouveau/nouveau_fifo.h src/mesa/drivers/dri/nouveau/nouveau_screen.c src/mesa/drivers/dri/nouveau/nouveau_screen.h src/mesa/drivers/dri/r128/r128_tex.h src/mesa/drivers/dri/savage/savageioctl.h src/mesa/drivers/fbdev/Makefile src/mesa/drivers/osmesa/Makefile src/mesa/drivers/osmesa/descrip.mms src/mesa/drivers/x11/Makefile src/mesa/drivers/x11/descrip.mms src/mesa/drivers/x11/xm_dd.c src/mesa/glapi/glapi.c src/mesa/glapi/glthread.c src/mesa/main/api_validate.c src/mesa/main/attrib.c src/mesa/main/bufferobj.c src/mesa/main/bufferobj.h src/mesa/main/buffers.c src/mesa/main/config.h src/mesa/main/context.c src/mesa/main/descrip.mms src/mesa/main/drawpix.c src/mesa/main/enums.c src/mesa/main/fbobject.c src/mesa/main/glheader.h src/mesa/main/imports.c src/mesa/main/mipmap.c src/mesa/main/mm.c src/mesa/main/mm.h src/mesa/main/mtypes.h src/mesa/main/points.c src/mesa/main/sources src/mesa/main/state.c src/mesa/main/texcompress_fxt1.c src/mesa/main/texenvprogram.c src/mesa/main/texobj.c src/mesa/main/texstate.c src/mesa/main/texstore.c src/mesa/math/descrip.mms src/mesa/shader/arbprogram.c src/mesa/shader/descrip.mms src/mesa/shader/prog_execute.c src/mesa/shader/prog_statevars.c src/mesa/shader/prog_statevars.h src/mesa/shader/prog_uniform.c src/mesa/shader/program.c src/mesa/shader/program.h src/mesa/shader/shader_api.c src/mesa/shader/slang/descrip.mms src/mesa/shader/slang/library/slang_vertex_builtin_gc.h src/mesa/sources src/mesa/swrast/descrip.mms src/mesa/swrast/s_drawpix.c src/mesa/swrast/s_fragprog.c src/mesa/swrast/s_readpix.c src/mesa/swrast/s_span.c src/mesa/swrast_setup/descrip.mms src/mesa/tnl/descrip.mms src/mesa/tnl/t_context.h src/mesa/tnl/t_vp_build.c src/mesa/tnl/tnl.h src/mesa/vbo/descrip.mms src/mesa/vbo/vbo_context.c src/mesa/vbo/vbo_exec_array.c src/mesa/x86-64/xform4.S src/mesa/x86/rtasm/x86sse.c src/mesa/x86/rtasm/x86sse.h windows/VC6/progs/glut/glut.dsp windows/VC7/mesa/gdi/gdi.vcproj windows/VC7/mesa/glu/glu.vcproj windows/VC7/mesa/mesa.sln windows/VC7/mesa/mesa/mesa.vcproj windows/VC7/mesa/osmesa/osmesa.vcproj windows/VC7/progs/glut/glut.vcproj windows/VC8/mesa/gdi/gdi.vcproj windows/VC8/mesa/glu/glu.vcproj windows/VC8/mesa/mesa.sln windows/VC8/mesa/mesa/mesa.vcproj windows/VC8/progs/glut/glut.vcproj
Diffstat (limited to 'src/gallium/include/pipe/p_state.h')
-rw-r--r--src/gallium/include/pipe/p_state.h366
1 files changed, 366 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
new file mode 100644
index 0000000000..4d0f3597e6
--- /dev/null
+++ b/src/gallium/include/pipe/p_state.h
@@ -0,0 +1,366 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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.
+ *
+ **************************************************************************/
+
+
+/**
+ * Abstract graphics pipe state objects.
+ *
+ * Basic notes:
+ * 1. Want compact representations, so we use bitfields.
+ * 2. Put bitfields before other (GLfloat) fields.
+ */
+
+
+#ifndef PIPE_STATE_H
+#define PIPE_STATE_H
+
+#include "p_compiler.h"
+#include "p_defines.h"
+#include "p_format.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * Implementation limits
+ */
+#define PIPE_MAX_ATTRIBS 32
+#define PIPE_MAX_CLIP_PLANES 6
+#define PIPE_MAX_COLOR_BUFS 8
+#define PIPE_MAX_CONSTANT 32
+#define PIPE_MAX_SAMPLERS 16
+#define PIPE_MAX_SHADER_INPUTS 16
+#define PIPE_MAX_SHADER_OUTPUTS 16
+#define PIPE_MAX_TEXTURE_LEVELS 16
+
+
+/* fwd decls */
+struct pipe_screen;
+struct pipe_surface;
+struct pipe_winsys;
+
+
+
+/**
+ * The driver will certainly subclass this to include actual memory
+ * management information.
+ */
+struct pipe_buffer
+{
+ unsigned alignment;
+ unsigned usage;
+ unsigned size;
+
+ /** Reference count */
+ unsigned refcount;
+};
+
+
+/**
+ * Primitive (point/line/tri) rasterization info
+ */
+struct pipe_rasterizer_state
+{
+ unsigned flatshade:1;
+ unsigned light_twoside:1;
+ unsigned front_winding:2; /**< PIPE_WINDING_x */
+ unsigned cull_mode:2; /**< PIPE_WINDING_x */
+ unsigned fill_cw:2; /**< PIPE_POLYGON_MODE_x */
+ unsigned fill_ccw:2; /**< PIPE_POLYGON_MODE_x */
+ unsigned offset_cw:1;
+ unsigned offset_ccw:1;
+ unsigned scissor:1;
+ unsigned poly_smooth:1;
+ unsigned poly_stipple_enable:1;
+ unsigned point_smooth:1;
+ unsigned point_sprite:1;
+ unsigned point_size_per_vertex:1; /**< size computed in vertex shader */
+ unsigned multisample:1; /* XXX maybe more ms state in future */
+ unsigned line_smooth:1;
+ unsigned line_stipple_enable:1;
+ unsigned line_stipple_factor:8; /**< [1..256] actually */
+ unsigned line_stipple_pattern:16;
+ unsigned line_last_pixel:1;
+ unsigned bypass_clipping:1;
+ unsigned bypass_vs:1; /**< Skip the vertex shader. Note that the shader is
+ still needed though, to indicate inputs/outputs */
+ unsigned origin_lower_left:1; /**< Is (0,0) the lower-left corner? */
+ unsigned flatshade_first:1; /**< take color attribute from the first vertex of a primitive */
+ unsigned gl_rasterization_rules:1; /**< enable tweaks for GL rasterization? */
+
+ float line_width;
+ float point_size; /**< used when no per-vertex size */
+ float point_size_min; /* XXX - temporary, will go away */
+ float point_size_max; /* XXX - temporary, will go away */
+ float offset_units;
+ float offset_scale;
+ ubyte sprite_coord_mode[PIPE_MAX_SHADER_OUTPUTS]; /**< PIPE_SPRITE_COORD_ */
+};
+
+
+struct pipe_poly_stipple
+{
+ unsigned stipple[32];
+};
+
+
+struct pipe_viewport_state
+{
+ float scale[4];
+ float translate[4];
+};
+
+
+struct pipe_scissor_state
+{
+ unsigned minx:16;
+ unsigned miny:16;
+ unsigned maxx:16;
+ unsigned maxy:16;
+};
+
+
+struct pipe_clip_state
+{
+ float ucp[PIPE_MAX_CLIP_PLANES][4];
+ unsigned nr;
+};
+
+
+/**
+ * Constants for vertex/fragment shaders
+ */
+struct pipe_constant_buffer
+{
+ struct pipe_buffer *buffer;
+ unsigned size; /** in bytes (XXX: redundant!) */
+};
+
+
+struct pipe_shader_state
+{
+ const struct tgsi_token *tokens;
+};
+
+
+struct pipe_depth_state {
+ unsigned enabled:1; /**< depth test enabled? */
+ unsigned writemask:1; /**< allow depth buffer writes? */
+ unsigned func:3; /**< depth test func (PIPE_FUNC_x) */
+ unsigned occlusion_count:1; /**< do occlusion counting? */
+};
+
+
+struct pipe_stencil_state {
+ unsigned enabled:1; /**< stencil[0]: stencil enabled, stencil[1]: two-side enabled */
+ unsigned func:3; /**< PIPE_FUNC_x */
+ unsigned fail_op:3; /**< PIPE_STENCIL_OP_x */
+ unsigned zpass_op:3; /**< PIPE_STENCIL_OP_x */
+ unsigned zfail_op:3; /**< PIPE_STENCIL_OP_x */
+ ubyte ref_value;
+ ubyte value_mask;
+ ubyte write_mask;
+};
+
+
+struct pipe_alpha_state {
+ unsigned enabled:1;
+ unsigned func:3; /**< PIPE_FUNC_x */
+ float ref; /**< reference value */
+};
+
+
+struct pipe_depth_stencil_alpha_state
+{
+ struct pipe_depth_state depth;
+ struct pipe_stencil_state stencil[2]; /**< [0] = front, [1] = back */
+ struct pipe_alpha_state alpha;
+};
+
+
+struct pipe_blend_state
+{
+ unsigned blend_enable:1;
+
+ unsigned rgb_func:3; /**< PIPE_BLEND_x */
+ unsigned rgb_src_factor:5; /**< PIPE_BLENDFACTOR_x */
+ unsigned rgb_dst_factor:5; /**< PIPE_BLENDFACTOR_x */
+
+ unsigned alpha_func:3; /**< PIPE_BLEND_x */
+ unsigned alpha_src_factor:5; /**< PIPE_BLENDFACTOR_x */
+ unsigned alpha_dst_factor:5; /**< PIPE_BLENDFACTOR_x */
+
+ unsigned logicop_enable:1;
+ unsigned logicop_func:4; /**< PIPE_LOGICOP_x */
+
+ unsigned colormask:4; /**< bitmask of PIPE_MASK_R/G/B/A */
+ unsigned dither:1;
+};
+
+
+struct pipe_blend_color
+{
+ float color[4];
+};
+
+
+struct pipe_framebuffer_state
+{
+ unsigned width, height;
+
+ /** multiple colorbuffers for multiple render targets */
+ unsigned num_cbufs;
+ struct pipe_surface *cbufs[PIPE_MAX_COLOR_BUFS];
+
+ struct pipe_surface *zsbuf; /**< Z/stencil buffer */
+};
+
+
+/**
+ * Texture sampler state.
+ */
+struct pipe_sampler_state
+{
+ unsigned wrap_s:3; /**< PIPE_TEX_WRAP_x */
+ unsigned wrap_t:3; /**< PIPE_TEX_WRAP_x */
+ unsigned wrap_r:3; /**< PIPE_TEX_WRAP_x */
+ unsigned min_img_filter:2; /**< PIPE_TEX_FILTER_x */
+ unsigned min_mip_filter:2; /**< PIPE_TEX_MIPFILTER_x */
+ unsigned mag_img_filter:2; /**< PIPE_TEX_FILTER_x */
+ unsigned compare_mode:1; /**< PIPE_TEX_COMPARE_x */
+ unsigned compare_func:3; /**< PIPE_FUNC_x */
+ unsigned normalized_coords:1; /**< Are coords normalized to [0,1]? */
+ unsigned prefilter:4; /**< Wierd sampling state exposed by some api's */
+ float shadow_ambient; /**< shadow test fail color/intensity */
+ float lod_bias; /**< LOD/lambda bias */
+ float min_lod, max_lod; /**< LOD clamp range, after bias */
+ float border_color[4];
+ float max_anisotropy;
+};
+
+
+/**
+ * 2D surface. This is basically a view into a memory buffer.
+ * May be a renderbuffer, texture mipmap level, etc.
+ */
+struct pipe_surface
+{
+ struct pipe_buffer *buffer; /**< surface's buffer/memory */
+ enum pipe_format format; /**< PIPE_FORMAT_x */
+ unsigned status; /**< PIPE_SURFACE_STATUS_x */
+ unsigned clear_value; /**< XXX may be temporary */
+ unsigned width;
+ unsigned height;
+ struct pipe_format_block block;
+ unsigned nblocksx;
+ unsigned nblocksy;
+ unsigned stride; /**< in bytes */
+ unsigned layout; /**< PIPE_SURFACE_LAYOUT_x */
+ unsigned offset; /**< offset from start of buffer, in bytes */
+ unsigned refcount;
+ unsigned usage; /**< PIPE_BUFFER_USAGE_* */
+
+ struct pipe_winsys *winsys; /**< winsys which owns/created the surface */
+
+ struct pipe_texture *texture; /**< optional texture into which this is a view */
+ unsigned face;
+ unsigned level;
+ unsigned zslice;
+};
+
+
+/**
+ * Texture object.
+ */
+struct pipe_texture
+{
+ enum pipe_texture_target target; /**< PIPE_TEXTURE_x */
+ enum pipe_format format; /**< PIPE_FORMAT_x */
+
+ unsigned width[PIPE_MAX_TEXTURE_LEVELS];
+ unsigned height[PIPE_MAX_TEXTURE_LEVELS];
+ unsigned depth[PIPE_MAX_TEXTURE_LEVELS];
+
+ struct pipe_format_block block;
+ unsigned nblocksx[PIPE_MAX_TEXTURE_LEVELS];
+ unsigned nblocksy[PIPE_MAX_TEXTURE_LEVELS];
+
+ unsigned last_level:8; /**< Index of last mipmap level present/defined */
+ unsigned compressed:1;
+
+ unsigned nr_samples:8; /**< for multisampled surfaces, nr of samples */
+
+ unsigned tex_usage; /* PIPE_TEXTURE_USAGE_* */
+
+ /* These are also refcounted:
+ */
+ unsigned refcount;
+
+ struct pipe_screen *screen; /**< screen that this texture belongs to */
+};
+
+
+/**
+ * A vertex buffer. Typically, all the vertex data/attributes for
+ * drawing something will be in one buffer. But it's also possible, for
+ * example, to put colors in one buffer and texcoords in another.
+ */
+struct pipe_vertex_buffer
+{
+ unsigned pitch; /**< stride to same attrib in next vertex, in bytes */
+ unsigned max_index; /**< number of vertices in this buffer */
+ unsigned buffer_offset; /**< offset to start of data in buffer, in bytes */
+ struct pipe_buffer *buffer; /**< the actual buffer */
+};
+
+
+/**
+ * Information to describe a vertex attribute (position, color, etc)
+ */
+struct pipe_vertex_element
+{
+ /** Offset of this attribute, in bytes, from the start of the vertex */
+ unsigned src_offset;
+
+ /** Which vertex_buffer (as given to pipe->set_vertex_buffer()) does
+ * this attribute live in?
+ */
+ unsigned vertex_buffer_index:8;
+ unsigned nr_components:8;
+
+ enum pipe_format src_format; /**< PIPE_FORMAT_* */
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif