0,0 → 1,437 |
/************************************************************************** |
* |
* Copyright 2007 VMware, Inc. |
* 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 VMWARE 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/accum.h" |
#include "main/api_exec.h" |
#include "main/context.h" |
#include "main/samplerobj.h" |
#include "main/shaderobj.h" |
#include "main/version.h" |
#include "main/vtxfmt.h" |
#include "main/hash.h" |
#include "program/prog_cache.h" |
#include "vbo/vbo.h" |
#include "glapi/glapi.h" |
#include "st_context.h" |
#include "st_debug.h" |
#include "st_cb_bitmap.h" |
#include "st_cb_blit.h" |
#include "st_cb_bufferobjects.h" |
#include "st_cb_clear.h" |
#include "st_cb_condrender.h" |
#include "st_cb_drawpixels.h" |
#include "st_cb_rasterpos.h" |
#include "st_cb_drawtex.h" |
#include "st_cb_eglimage.h" |
#include "st_cb_fbo.h" |
#include "st_cb_feedback.h" |
#include "st_cb_msaa.h" |
#include "st_cb_perfmon.h" |
#include "st_cb_program.h" |
#include "st_cb_queryobj.h" |
#include "st_cb_readpixels.h" |
#include "st_cb_texture.h" |
#include "st_cb_xformfb.h" |
#include "st_cb_flush.h" |
#include "st_cb_syncobj.h" |
#include "st_cb_strings.h" |
#include "st_cb_texturebarrier.h" |
#include "st_cb_viewport.h" |
#include "st_atom.h" |
#include "st_draw.h" |
#include "st_extensions.h" |
#include "st_gen_mipmap.h" |
#include "st_program.h" |
#include "st_vdpau.h" |
#include "st_texture.h" |
#include "pipe/p_context.h" |
#include "util/u_inlines.h" |
#include "util/u_upload_mgr.h" |
#include "cso_cache/cso_context.h" |
|
|
DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4, "MESA_MVP_DP4", FALSE) |
|
|
/** |
* Called via ctx->Driver.UpdateState() |
*/ |
void st_invalidate_state(struct gl_context * ctx, GLuint new_state) |
{ |
struct st_context *st = st_context(ctx); |
|
/* Replace _NEW_FRAG_CLAMP with ST_NEW_FRAGMENT_PROGRAM for the fallback. */ |
if (st->clamp_frag_color_in_shader && (new_state & _NEW_FRAG_CLAMP)) { |
new_state &= ~_NEW_FRAG_CLAMP; |
st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; |
} |
|
/* Update the vertex shader if ctx->Light._ClampVertexColor was changed. */ |
if (st->clamp_vert_color_in_shader && (new_state & _NEW_LIGHT)) { |
st->dirty.st |= ST_NEW_VERTEX_PROGRAM; |
} |
|
st->dirty.mesa |= new_state; |
st->dirty.st |= ST_NEW_MESA; |
|
/* This is the only core Mesa module we depend upon. |
* No longer use swrast, swsetup, tnl. |
*/ |
_vbo_InvalidateState(ctx, new_state); |
} |
|
|
static void |
st_destroy_context_priv(struct st_context *st) |
{ |
uint shader, i; |
|
st_destroy_atoms( st ); |
st_destroy_draw( st ); |
st_destroy_clear(st); |
st_destroy_bitmap(st); |
st_destroy_drawpix(st); |
st_destroy_drawtex(st); |
st_destroy_perfmon(st); |
|
for (shader = 0; shader < ARRAY_SIZE(st->state.sampler_views); shader++) { |
for (i = 0; i < ARRAY_SIZE(st->state.sampler_views[0]); i++) { |
pipe_sampler_view_release(st->pipe, |
&st->state.sampler_views[shader][i]); |
} |
} |
|
if (st->default_texture) { |
st->ctx->Driver.DeleteTexture(st->ctx, st->default_texture); |
st->default_texture = NULL; |
} |
|
u_upload_destroy(st->uploader); |
if (st->indexbuf_uploader) { |
u_upload_destroy(st->indexbuf_uploader); |
} |
if (st->constbuf_uploader) { |
u_upload_destroy(st->constbuf_uploader); |
} |
|
cso_destroy_context(st->cso_context); |
free( st ); |
} |
|
|
static struct st_context * |
st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe, |
const struct st_config_options *options) |
{ |
struct pipe_screen *screen = pipe->screen; |
uint i; |
struct st_context *st = ST_CALLOC_STRUCT( st_context ); |
|
st->options = *options; |
|
ctx->st = st; |
|
st->ctx = ctx; |
st->pipe = pipe; |
|
/* XXX: this is one-off, per-screen init: */ |
st_debug_init(); |
|
/* state tracker needs the VBO module */ |
_vbo_CreateContext(ctx); |
|
st->dirty.mesa = ~0; |
st->dirty.st = ~0; |
|
/* Create upload manager for vertex data for glBitmap, glDrawPixels, |
* glClear, etc. |
*/ |
st->uploader = u_upload_create(st->pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER); |
|
if (!screen->get_param(screen, PIPE_CAP_USER_INDEX_BUFFERS)) { |
st->indexbuf_uploader = u_upload_create(st->pipe, 128 * 1024, 4, |
PIPE_BIND_INDEX_BUFFER); |
} |
|
if (!screen->get_param(screen, PIPE_CAP_USER_CONSTANT_BUFFERS)) { |
unsigned alignment = |
screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT); |
|
st->constbuf_uploader = u_upload_create(pipe, 128 * 1024, alignment, |
PIPE_BIND_CONSTANT_BUFFER); |
} |
|
st->cso_context = cso_create_context(pipe); |
|
st_init_atoms( st ); |
st_init_bitmap(st); |
st_init_clear(st); |
st_init_draw( st ); |
|
/* Choose texture target for glDrawPixels, glBitmap, renderbuffers */ |
if (pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES)) |
st->internal_target = PIPE_TEXTURE_2D; |
else |
st->internal_target = PIPE_TEXTURE_RECT; |
|
/* Vertex element objects used for drawing rectangles for glBitmap, |
* glDrawPixels, glClear, etc. |
*/ |
for (i = 0; i < ARRAY_SIZE(st->velems_util_draw); i++) { |
memset(&st->velems_util_draw[i], 0, sizeof(struct pipe_vertex_element)); |
st->velems_util_draw[i].src_offset = i * 4 * sizeof(float); |
st->velems_util_draw[i].instance_divisor = 0; |
st->velems_util_draw[i].vertex_buffer_index = |
cso_get_aux_vertex_buffer_slot(st->cso_context); |
st->velems_util_draw[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT; |
} |
|
/* we want all vertex data to be placed in buffer objects */ |
vbo_use_buffer_objects(ctx); |
|
|
/* make sure that no VBOs are left mapped when we're drawing. */ |
vbo_always_unmap_buffers(ctx); |
|
/* Need these flags: |
*/ |
st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; |
|
st->ctx->VertexProgram._MaintainTnlProgram = GL_TRUE; |
|
st->pixel_xfer.cache = _mesa_new_program_cache(); |
|
st->has_stencil_export = |
screen->get_param(screen, PIPE_CAP_SHADER_STENCIL_EXPORT); |
st->has_shader_model3 = screen->get_param(screen, PIPE_CAP_SM3); |
st->has_etc1 = screen->is_format_supported(screen, PIPE_FORMAT_ETC1_RGB8, |
PIPE_TEXTURE_2D, 0, |
PIPE_BIND_SAMPLER_VIEW); |
st->has_etc2 = screen->is_format_supported(screen, PIPE_FORMAT_ETC2_RGB8, |
PIPE_TEXTURE_2D, 0, |
PIPE_BIND_SAMPLER_VIEW); |
st->prefer_blit_based_texture_transfer = screen->get_param(screen, |
PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER); |
|
st->needs_texcoord_semantic = |
screen->get_param(screen, PIPE_CAP_TGSI_TEXCOORD); |
st->apply_texture_swizzle_to_border_color = |
!!(screen->get_param(screen, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK) & |
(PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 | |
PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600)); |
st->has_time_elapsed = |
screen->get_param(screen, PIPE_CAP_QUERY_TIME_ELAPSED); |
|
/* GL limits and extensions */ |
st_init_limits(st->pipe->screen, &ctx->Const, &ctx->Extensions); |
st_init_extensions(st->pipe->screen, &ctx->Const, |
&ctx->Extensions, &st->options, ctx->Mesa_DXTn); |
|
if (st_init_perfmon(st)) { |
/* GL_AMD_performance_monitor is only enabled when the underlying |
* driver expose GPU hardware performance counters. */ |
ctx->Extensions.AMD_performance_monitor = GL_TRUE; |
} |
|
/* Enable shader-based fallbacks for ARB_color_buffer_float if needed. */ |
if (screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_UNCLAMPED)) { |
if (!screen->get_param(screen, PIPE_CAP_VERTEX_COLOR_CLAMPED)) { |
st->clamp_vert_color_in_shader = GL_TRUE; |
} |
|
if (!screen->get_param(screen, PIPE_CAP_FRAGMENT_COLOR_CLAMPED)) { |
st->clamp_frag_color_in_shader = GL_TRUE; |
} |
|
/* For drivers which cannot do color clamping, it's better to just |
* disable ARB_color_buffer_float in the core profile, because |
* the clamping is deprecated there anyway. */ |
if (ctx->API == API_OPENGL_CORE && |
(st->clamp_frag_color_in_shader || st->clamp_vert_color_in_shader)) { |
st->clamp_vert_color_in_shader = GL_FALSE; |
st->clamp_frag_color_in_shader = GL_FALSE; |
ctx->Extensions.ARB_color_buffer_float = GL_FALSE; |
} |
} |
|
/* called after _mesa_create_context/_mesa_init_point, fix default user |
* settable max point size up |
*/ |
st->ctx->Point.MaxSize = MAX2(ctx->Const.MaxPointSize, |
ctx->Const.MaxPointSizeAA); |
/* For vertex shaders, make sure not to emit saturate when SM 3.0 is not supported */ |
ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].EmitNoSat = !st->has_shader_model3; |
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_mesa_compute_version(ctx); |
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if (ctx->Version == 0) { |
/* This can happen when a core profile was requested, but the driver |
* does not support some features of GL 3.1 or later. |
*/ |
st_destroy_context_priv(st); |
return NULL; |
} |
|
_mesa_initialize_dispatch_tables(ctx); |
_mesa_initialize_vbo_vtxfmt(ctx); |
|
return st; |
} |
|
static void st_init_driver_flags(struct gl_driver_flags *f) |
{ |
f->NewArray = ST_NEW_VERTEX_ARRAYS; |
f->NewRasterizerDiscard = ST_NEW_RASTERIZER; |
f->NewUniformBuffer = ST_NEW_UNIFORM_BUFFER; |
} |
|
struct st_context *st_create_context(gl_api api, struct pipe_context *pipe, |
const struct gl_config *visual, |
struct st_context *share, |
const struct st_config_options *options) |
{ |
struct gl_context *ctx; |
struct gl_context *shareCtx = share ? share->ctx : NULL; |
struct dd_function_table funcs; |
struct st_context *st; |
|
memset(&funcs, 0, sizeof(funcs)); |
st_init_driver_functions(pipe->screen, &funcs); |
|
ctx = _mesa_create_context(api, visual, shareCtx, &funcs); |
if (!ctx) { |
return NULL; |
} |
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st_init_driver_flags(&ctx->DriverFlags); |
|
/* XXX: need a capability bit in gallium to query if the pipe |
* driver prefers DP4 or MUL/MAD for vertex transformation. |
*/ |
if (debug_get_option_mesa_mvp_dp4()) |
ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].OptimizeForAOS = GL_TRUE; |
|
st = st_create_context_priv(ctx, pipe, options); |
if (!st) { |
_mesa_destroy_context(ctx); |
} |
|
return st; |
} |
|
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/** |
* Callback to release the sampler view attached to a texture object. |
* Called by _mesa_HashWalk(). |
*/ |
static void |
destroy_tex_sampler_cb(GLuint id, void *data, void *userData) |
{ |
struct gl_texture_object *texObj = (struct gl_texture_object *) data; |
struct st_context *st = (struct st_context *) userData; |
|
st_texture_release_sampler_view(st, st_texture_object(texObj)); |
} |
|
void st_destroy_context( struct st_context *st ) |
{ |
struct pipe_context *pipe = st->pipe; |
struct gl_context *ctx = st->ctx; |
GLuint i; |
|
_mesa_HashWalk(ctx->Shared->TexObjects, destroy_tex_sampler_cb, st); |
|
st_reference_fragprog(st, &st->fp, NULL); |
st_reference_geomprog(st, &st->gp, NULL); |
st_reference_vertprog(st, &st->vp, NULL); |
|
/* release framebuffer surfaces */ |
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { |
pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL); |
} |
pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL); |
|
_mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache); |
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_vbo_DestroyContext(st->ctx); |
|
st_destroy_program_variants(st); |
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_mesa_free_context_data(ctx); |
|
/* This will free the st_context too, so 'st' must not be accessed |
* afterwards. */ |
st_destroy_context_priv(st); |
st = NULL; |
|
pipe->destroy( pipe ); |
|
free(ctx); |
} |
|
|
void st_init_driver_functions(struct pipe_screen *screen, |
struct dd_function_table *functions) |
{ |
_mesa_init_shader_object_functions(functions); |
_mesa_init_sampler_object_functions(functions); |
|
functions->Accum = _mesa_accum; |
|
st_init_blit_functions(functions); |
st_init_bufferobject_functions(functions); |
st_init_clear_functions(functions); |
st_init_bitmap_functions(functions); |
st_init_drawpixels_functions(functions); |
st_init_rasterpos_functions(functions); |
|
st_init_drawtex_functions(functions); |
|
st_init_eglimage_functions(functions); |
|
st_init_fbo_functions(functions); |
st_init_feedback_functions(functions); |
st_init_msaa_functions(functions); |
st_init_perfmon_functions(functions); |
st_init_program_functions(functions); |
st_init_query_functions(functions); |
st_init_cond_render_functions(functions); |
st_init_readpixels_functions(functions); |
st_init_texture_functions(functions); |
st_init_texture_barrier_functions(functions); |
st_init_flush_functions(screen, functions); |
st_init_string_functions(functions); |
st_init_viewport_functions(functions); |
|
st_init_xformfb_functions(functions); |
st_init_syncobj_functions(functions); |
|
st_init_vdpau_functions(functions); |
|
functions->UpdateState = st_invalidate_state; |
} |