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authorBrian <brian.paul@tungstengraphics.com>2007-11-05 18:04:30 -0700
committerBrian <brian.paul@tungstengraphics.com>2007-11-05 18:04:30 -0700
commitc6499a741c99394e81d1d86ffd066f3d9749875c (patch)
tree8d48d05c9b1e0931d545445230758f1b2853d16f /src
parent01e716553001d57462e75aa7d76d05df92da8e87 (diff)
Determine GL extensions/limits by making pipe queries.
The state tracker calls pipe->get_param() to determine the GL limits and which OpenGL extensions are supported. This is an initial implementation that'll probably change...
Diffstat (limited to 'src')
-rw-r--r--src/mesa/main/extensions.c2
-rw-r--r--src/mesa/pipe/i915simple/i915_context.c20
-rw-r--r--src/mesa/pipe/p_defines.h17
-rw-r--r--src/mesa/pipe/softpipe/sp_context.c20
-rw-r--r--src/mesa/sources1
-rw-r--r--src/mesa/state_tracker/st_context.c8
-rw-r--r--src/mesa/state_tracker/st_extensions.c186
-rw-r--r--src/mesa/state_tracker/st_extensions.h38
8 files changed, 288 insertions, 4 deletions
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 80dce56c0c..e5279e7f3e 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -86,7 +86,7 @@ static const struct {
{ OFF, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) },
{ OFF, "GL_EXT_blend_minmax", F(EXT_blend_minmax) },
{ OFF, "GL_EXT_blend_subtract", F(EXT_blend_subtract) },
- { ON, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) },
+ { OFF, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) },
{ OFF, "GL_EXT_cull_vertex", F(EXT_cull_vertex) },
{ ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) },
{ OFF, "GL_EXT_convolution", F(EXT_convolution) },
diff --git a/src/mesa/pipe/i915simple/i915_context.c b/src/mesa/pipe/i915simple/i915_context.c
index 2c36a194c7..6de1e68f73 100644
--- a/src/mesa/pipe/i915simple/i915_context.c
+++ b/src/mesa/pipe/i915simple/i915_context.c
@@ -142,6 +142,26 @@ static int
i915_get_param(struct pipe_context *pipe, int param)
{
switch (param) {
+ case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+ return 8;
+ case PIPE_CAP_NPOT_TEXTURES:
+ return 1;
+ case PIPE_CAP_TWO_SIDED_STENCIL:
+ return 1;
+ case PIPE_CAP_GLSL:
+ return 0;
+ case PIPE_CAP_S3TC:
+ return 0;
+ case PIPE_CAP_ANISOTROPIC_FILTER:
+ return 0;
+ case PIPE_CAP_POINT_SPRITE:
+ return 0;
+ case PIPE_CAP_MAX_RENDER_TARGETS:
+ return 1;
+ case PIPE_CAP_OCCLUSION_QUERY:
+ return 0;
+ case PIPE_CAP_TEXTURE_SHADOW_MAP:
+ return 0;
default:
return 0;
}
diff --git a/src/mesa/pipe/p_defines.h b/src/mesa/pipe/p_defines.h
index 8982428636..ef79716ed9 100644
--- a/src/mesa/pipe/p_defines.h
+++ b/src/mesa/pipe/p_defines.h
@@ -225,4 +225,21 @@
#define PIPE_SPRITE_COORD_UPPER_LEFT 1
#define PIPE_SPRITE_COORD_LOWER_LEFT 2
+
+/**
+ * Implementation capabilities/limits
+ * Passed to pipe->get_param()
+ * XXX this will need some fine tuning...
+ */
+#define PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS 1
+#define PIPE_CAP_NPOT_TEXTURES 2
+#define PIPE_CAP_TWO_SIDED_STENCIL 3
+#define PIPE_CAP_GLSL 4 /* XXX need something better */
+#define PIPE_CAP_S3TC 5
+#define PIPE_CAP_ANISOTROPIC_FILTER 6
+#define PIPE_CAP_POINT_SPRITE 7
+#define PIPE_CAP_MAX_RENDER_TARGETS 8
+#define PIPE_CAP_OCCLUSION_QUERY 9
+#define PIPE_CAP_TEXTURE_SHADOW_MAP 10
+
#endif
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index 46f591e425..effecda87e 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -277,6 +277,26 @@ static const char *softpipe_get_vendor( struct pipe_context *pipe )
static int softpipe_get_param(struct pipe_context *pipe, int param)
{
switch (param) {
+ case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+ return 8;
+ case PIPE_CAP_NPOT_TEXTURES:
+ return 1;
+ case PIPE_CAP_TWO_SIDED_STENCIL:
+ return 1;
+ case PIPE_CAP_GLSL:
+ return 1;
+ case PIPE_CAP_S3TC:
+ return 0;
+ case PIPE_CAP_ANISOTROPIC_FILTER:
+ return 0;
+ case PIPE_CAP_POINT_SPRITE:
+ return 1;
+ case PIPE_CAP_MAX_RENDER_TARGETS:
+ return 1;
+ case PIPE_CAP_OCCLUSION_QUERY:
+ return 1;
+ case PIPE_CAP_TEXTURE_SHADOW_MAP:
+ return 1;
default:
return 0;
}
diff --git a/src/mesa/sources b/src/mesa/sources
index 5322cd8867..0b9b5fca3a 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources
@@ -231,6 +231,7 @@ STATETRACKER_SOURCES = \
state_tracker/st_context.c \
state_tracker/st_debug.c \
state_tracker/st_draw.c \
+ state_tracker/st_extensions.c \
state_tracker/st_format.c \
state_tracker/st_framebuffer.c \
state_tracker/st_mesa_to_tgsi.c \
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 88fbaeeb7a..3810729847 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -45,6 +45,7 @@
#include "st_cb_strings.h"
#include "st_atom.h"
#include "st_draw.h"
+#include "st_extensions.h"
#include "st_program.h"
#include "pipe/p_context.h"
#include "pipe/draw/draw_context.h"
@@ -105,8 +106,9 @@ st_create_context_priv( GLcontext *ctx, struct pipe_context *pipe )
st->pixel_xfer.cache = _mesa_new_program_cache();
- /* XXXX This is temporary! */
- _mesa_enable_sw_extensions(ctx);
+ /* GL limits and extensions */
+ st_init_limits(st);
+ st_init_extensions(st);
return st;
}
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
new file mode 100644
index 0000000000..3f56b537bb
--- /dev/null
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -0,0 +1,186 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/extensions.h"
+#include "main/macros.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+#include "st_context.h"
+#include "st_extensions.h"
+
+
+/*
+ * Compute floor(log_base_2(n)).
+ * If n < 0 return -1.
+ */
+static int
+logbase2( int n )
+{
+ GLint i = 1;
+ GLint log2 = 0;
+
+ if (n < 0)
+ return -1;
+
+ if (n == 0)
+ return 0;
+
+ while ( n > i ) {
+ i *= 2;
+ log2++;
+ }
+ if (i != n) {
+ return log2 - 1;
+ }
+ else {
+ return log2;
+ }
+}
+
+
+void st_init_limits(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ GLcontext *ctx = st->ctx;
+ uint w, h, d;
+
+ ctx->Const.MaxTextureImageUnits
+ = ctx->Const.MaxTextureCoordUnits
+ = pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS);
+
+ pipe->max_texture_size(pipe, PIPE_TEXTURE_2D, &w, &h, &d);
+ ctx->Const.MaxTextureLevels = logbase2(w) + 1;
+ ctx->Const.MaxTextureRectSize = w;
+
+ pipe->max_texture_size(pipe, PIPE_TEXTURE_3D, &w, &h, &d);
+ ctx->Const.Max3DTextureLevels = logbase2(d) + 1;
+
+ pipe->max_texture_size(pipe, PIPE_TEXTURE_CUBE, &w, &h, &d);
+ ctx->Const.MaxCubeTextureLevels = logbase2(w) + 1;
+
+ ctx->Const.MaxDrawBuffers = MAX2(1, pipe->get_param(pipe, PIPE_CAP_MAX_RENDER_TARGETS));
+
+}
+
+
+/**
+ * XXX this needs careful review
+ */
+void st_init_extensions(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ GLcontext *ctx = st->ctx;
+
+ /*
+ * Extensions that are supported by all Gallium drivers:
+ */
+ ctx->Extensions.ARB_fragment_program = GL_TRUE;
+ ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.ARB_vertex_program = GL_TRUE;
+ ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;
+
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+ ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+
+ ctx->Extensions.NV_blend_square = GL_TRUE;
+ ctx->Extensions.NV_texgen_reflection = GL_TRUE;
+
+
+ /*
+ * Extensions that depend on the driver/hardware:
+ */
+ if (pipe->get_param(pipe, PIPE_CAP_MAX_RENDER_TARGETS) > 1) {
+ ctx->Extensions.ARB_draw_buffers = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_GLSL) > 1) {
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+ ctx->Extensions.ARB_shading_language_120 = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_NPOT_TEXTURES)) {
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+ ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS) > 1) {
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_TWO_SIDED_STENCIL) > 1) {
+ ctx->Extensions.ATI_separate_stencil = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_S3TC) > 1) {
+ ctx->Extensions.ARB_texture_compression = GL_TRUE;
+ ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_ANISOTROPIC_FILTER)) {
+ ctx->Extensions.EXT_texture_filter_anisotropic = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_POINT_SPRITE)) {
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_OCCLUSION_QUERY) > 1) {
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ }
+
+ if (pipe->get_param(pipe, PIPE_CAP_TEXTURE_SHADOW_MAP) > 1) {
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ /*ctx->Extensions.ARB_shadow_ambient = GL_TRUE;*/
+ }
+
+}
diff --git a/src/mesa/state_tracker/st_extensions.h b/src/mesa/state_tracker/st_extensions.h
new file mode 100644
index 0000000000..2994f16dd3
--- /dev/null
+++ b/src/mesa/state_tracker/st_extensions.h
@@ -0,0 +1,38 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+
+#ifndef ST_EXTENSIONS_H
+#define ST_EXTENSIONS_H
+
+
+extern void st_init_limits(struct st_context *st);
+
+extern void st_init_extensions(struct st_context *st);
+
+
+#endif /* ST_EXTENSIONS_H */