diff options
Diffstat (limited to 'src/gallium/state_trackers/wgl/shared/stw_context.c')
-rw-r--r-- | src/gallium/state_trackers/wgl/shared/stw_context.c | 128 |
1 files changed, 78 insertions, 50 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_context.c b/src/gallium/state_trackers/wgl/shared/stw_context.c index 662b5fbcd2..4968ecc692 100644 --- a/src/gallium/state_trackers/wgl/shared/stw_context.c +++ b/src/gallium/state_trackers/wgl/shared/stw_context.c @@ -47,6 +47,29 @@ #include "stw_context.h" #include "stw_tls.h" + +static INLINE struct stw_context * +stw_context(GLcontext *glctx) +{ + if(!glctx) + return NULL; + assert(glctx->DriverCtx); + return (struct stw_context *)glctx->DriverCtx; +} + +static INLINE struct stw_context * +stw_current_context(void) +{ + /* We must check if multiple threads are being used or GET_CURRENT_CONTEXT + * might return the current context of the thread first seen. */ + _glapi_check_multithread(); + + { + GET_CURRENT_CONTEXT( glctx ); + return stw_context(glctx); + } +} + BOOL stw_copy_context( UINT_PTR hglrcSrc, @@ -57,7 +80,7 @@ stw_copy_context( struct stw_context *dst; BOOL ret = FALSE; - pipe_mutex_lock( stw_dev->mutex ); + pipe_mutex_lock( stw_dev->ctx_mutex ); src = stw_lookup_context_locked( hglrcSrc ); dst = stw_lookup_context_locked( hglrcDst ); @@ -70,7 +93,7 @@ stw_copy_context( (void) mask; } - pipe_mutex_unlock( stw_dev->mutex ); + pipe_mutex_unlock( stw_dev->ctx_mutex ); return ret; } @@ -84,7 +107,7 @@ stw_share_lists( struct stw_context *ctx2; BOOL ret = FALSE; - pipe_mutex_lock( stw_dev->mutex ); + pipe_mutex_lock( stw_dev->ctx_mutex ); ctx1 = stw_lookup_context_locked( hglrc1 ); ctx2 = stw_lookup_context_locked( hglrc2 ); @@ -94,11 +117,25 @@ stw_share_lists( ret = _mesa_share_state(ctx2->st->ctx, ctx1->st->ctx); } - pipe_mutex_unlock( stw_dev->mutex ); + pipe_mutex_unlock( stw_dev->ctx_mutex ); return ret; } +static void +stw_viewport(GLcontext * glctx, GLint x, GLint y, + GLsizei width, GLsizei height) +{ + struct stw_context *ctx = (struct stw_context *)glctx->DriverCtx; + struct stw_framebuffer *fb; + + fb = stw_framebuffer_from_hdc( ctx->hdc ); + if(fb) { + stw_framebuffer_update(fb); + stw_framebuffer_release(fb); + } +} + UINT_PTR stw_create_layer_context( HDC hdc, @@ -158,10 +195,11 @@ stw_create_layer_context( goto no_st_ctx; ctx->st->ctx->DriverCtx = ctx; + ctx->st->ctx->Driver.Viewport = stw_viewport; - pipe_mutex_lock( stw_dev->mutex ); + pipe_mutex_lock( stw_dev->ctx_mutex ); ctx->hglrc = handle_table_add(stw_dev->ctx_table, ctx); - pipe_mutex_unlock( stw_dev->mutex ); + pipe_mutex_unlock( stw_dev->ctx_mutex ); if (!ctx->hglrc) goto no_hglrc; @@ -188,17 +226,16 @@ stw_delete_context( if (!stw_dev) return FALSE; - pipe_mutex_lock( stw_dev->mutex ); + pipe_mutex_lock( stw_dev->ctx_mutex ); ctx = stw_lookup_context_locked(hglrc); handle_table_remove(stw_dev->ctx_table, hglrc); - pipe_mutex_unlock( stw_dev->mutex ); + pipe_mutex_unlock( stw_dev->ctx_mutex ); if (ctx) { - GLcontext *glctx = ctx->st->ctx; - GET_CURRENT_CONTEXT( glcurctx ); - + struct stw_context *curctx = stw_current_context(); + /* Unbind current if deleting current context. */ - if (glcurctx == glctx) + if (curctx == ctx) st_make_current( NULL, NULL, NULL ); st_destroy_context(ctx->st); @@ -219,9 +256,9 @@ stw_release_context( if (!stw_dev) return FALSE; - pipe_mutex_lock( stw_dev->mutex ); + pipe_mutex_lock( stw_dev->ctx_mutex ); ctx = stw_lookup_context_locked( hglrc ); - pipe_mutex_unlock( stw_dev->mutex ); + pipe_mutex_unlock( stw_dev->ctx_mutex ); if (!ctx) return FALSE; @@ -230,13 +267,8 @@ stw_release_context( * current for this thread. We should check that and return False * if not the case. */ - { - GLcontext *glctx = ctx->st->ctx; - GET_CURRENT_CONTEXT( glcurctx ); - - if (glcurctx != glctx) - return FALSE; - } + if (ctx != stw_current_context()) + return FALSE; if (stw_make_current( NULL, 0 ) == FALSE) return FALSE; @@ -248,14 +280,9 @@ stw_release_context( UINT_PTR stw_get_current_context( void ) { - GET_CURRENT_CONTEXT( glcurctx ); struct stw_context *ctx; - if(!glcurctx) - return 0; - - ctx = (struct stw_context *)glcurctx->DriverCtx; - assert(ctx); + ctx = stw_current_context(); if(!ctx) return 0; @@ -265,14 +292,9 @@ stw_get_current_context( void ) HDC stw_get_current_dc( void ) { - GET_CURRENT_CONTEXT( glcurctx ); struct stw_context *ctx; - if(!glcurctx) - return NULL; - - ctx = (struct stw_context *)glcurctx->DriverCtx; - assert(ctx); + ctx = stw_current_context(); if(!ctx) return NULL; @@ -284,36 +306,37 @@ stw_make_current( HDC hdc, UINT_PTR hglrc ) { - struct stw_context *ctx; - GET_CURRENT_CONTEXT( glcurctx ); - struct stw_framebuffer *fb; + struct stw_context *curctx = NULL; + struct stw_context *ctx = NULL; + struct stw_framebuffer *fb = NULL; if (!stw_dev) goto fail; - if (glcurctx != NULL) { - struct stw_context *curctx; - curctx = (struct stw_context *) glcurctx->DriverCtx; - + curctx = stw_current_context(); + if (curctx != NULL) { if (curctx->hglrc != hglrc) - st_flush(glcurctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); + st_flush(curctx->st, PIPE_FLUSH_RENDER_CACHE, NULL); /* Return if already current. */ - if (curctx->hglrc == hglrc && curctx->hdc == hdc) - return TRUE; + if (curctx->hglrc == hglrc && curctx->hdc == hdc) { + ctx = curctx; + fb = stw_framebuffer_from_hdc( hdc ); + goto success; + } } if (hdc == NULL || hglrc == 0) { return st_make_current( NULL, NULL, NULL ); } - pipe_mutex_lock( stw_dev->mutex ); - + pipe_mutex_lock( stw_dev->ctx_mutex ); ctx = stw_lookup_context_locked( hglrc ); + pipe_mutex_unlock( stw_dev->ctx_mutex ); if(!ctx) goto fail; - fb = stw_framebuffer_from_hdc_locked( hdc ); + fb = stw_framebuffer_from_hdc( hdc ); if(!fb) { /* Applications should call SetPixelFormat before creating a context, * but not all do, and the opengl32 runtime seems to use a default pixel @@ -321,13 +344,11 @@ stw_make_current( */ int iPixelFormat = GetPixelFormat(hdc); if(iPixelFormat) - fb = stw_framebuffer_create_locked( hdc, iPixelFormat ); + fb = stw_framebuffer_create( hdc, iPixelFormat ); if(!fb) goto fail; } - pipe_mutex_unlock( stw_dev->mutex ); - if(fb->iPixelFormat != ctx->iPixelFormat) goto fail; @@ -344,11 +365,18 @@ stw_make_current( if(!st_make_current( ctx->st, fb->stfb, fb->stfb )) goto fail; - stw_framebuffer_resize(fb); +success: + assert(fb); + if(fb) { + stw_framebuffer_update(fb); + stw_framebuffer_release(fb); + } return TRUE; fail: + if(fb) + stw_framebuffer_release(fb); st_make_current( NULL, NULL, NULL ); return FALSE; } |