diff options
| author | Zou Nan hai <nanhai.zou@intel.com> | 2006-12-13 13:25:12 -0800 |
|---|---|---|
| committer | Zou Nan hai <nanhai.zou@intel.com> | 2006-12-13 13:25:12 -0800 |
| commit | aeda4c589ada4e6304577e55d55b5c50bc274793 (patch) | |
| tree | 6d73ec17796ae31dd32bf1fd97afd3ee2c2fc75c /src/mesa/drivers/dri/i965/intel_context.c | |
| parent | 696fe3f52e0e7893740b430835f8c95611de3dd3 (diff) | |
ARB_occlusion_query support
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_context.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c index 5fc3d7150c..6bcc984285 100644 --- a/src/mesa/drivers/dri/i965/intel_context.c +++ b/src/mesa/drivers/dri/i965/intel_context.c @@ -70,6 +70,7 @@ int INTEL_DEBUG = (0); #define need_GL_ARB_vertex_buffer_object #define need_GL_ARB_vertex_program #define need_GL_ARB_window_pos +#define need_GL_ARB_occlusion_query #define need_GL_EXT_blend_color #define need_GL_EXT_blend_equation_separate #define need_GL_EXT_blend_func_separate @@ -160,6 +161,7 @@ const struct dri_extension card_extensions[] = { "GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions }, { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions }, { "GL_ARB_window_pos", GL_ARB_window_pos_functions }, + { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions}, { "GL_EXT_blend_color", GL_EXT_blend_color_functions }, { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions }, { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions }, @@ -244,6 +246,36 @@ void intelFinish( GLcontext *ctx ) bmFinishFence(intel, bmLockAndFence(intel)); } +static void +intelBeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q) +{ + struct intel_context *intel = intel_context( ctx ); + GLuint64EXT tmp = 0; + drmI830MMIO io = { + .read_write = MMIO_WRITE, + .reg = MMIO_REGS_PS_DEPTH_COUNT, + .data = &tmp + }; + intel->stats_wm = GL_TRUE; + intelFinish(&intel->ctx); + drmCommandWrite(intel->driFd, DRM_I830_MMIO, &io, sizeof(io)); +} + +static void +intelEndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q) +{ + struct intel_context *intel = intel_context( ctx ); + drmI830MMIO io = { + .read_write = MMIO_READ, + .reg = MMIO_REGS_PS_DEPTH_COUNT, + .data = &q->Result + }; + intelFinish(&intel->ctx); + drmCommandRead(intel->driFd, DRM_I830_MMIO, &io, sizeof(io)); + q->Ready = GL_TRUE; + intel->stats_wm = GL_FALSE; +} + void intelInitDriverFunctions( struct dd_function_table *functions ) { @@ -253,6 +285,8 @@ void intelInitDriverFunctions( struct dd_function_table *functions ) functions->Finish = intelFinish; functions->GetString = intelGetString; functions->UpdateState = intelInvalidateState; + functions->BeginQuery = intelBeginQuery; + functions->EndQuery = intelEndQuery; /* CopyPixels can be accelerated even with the current memory * manager: |