diff options
Diffstat (limited to 'mesalib/src/mesa/main/context.c')
| -rw-r--r-- | mesalib/src/mesa/main/context.c | 72 |
1 files changed, 46 insertions, 26 deletions
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c index 4f7bdbdbc..1f8639108 100644 --- a/mesalib/src/mesa/main/context.c +++ b/mesalib/src/mesa/main/context.c @@ -587,6 +587,16 @@ _mesa_init_constants(struct gl_context *ctx) ctx->Const.MaxSpotExponent = 128.0; ctx->Const.MaxViewportWidth = MAX_VIEWPORT_WIDTH; ctx->Const.MaxViewportHeight = MAX_VIEWPORT_HEIGHT; + ctx->Const.MinMapBufferAlignment = 1; + + /* Driver must override these values if ARB_viewport_array is supported. */ + ctx->Const.MaxViewports = 1; + ctx->Const.ViewportSubpixelBits = 0; + ctx->Const.ViewportBounds.Min = 0; + ctx->Const.ViewportBounds.Max = 0; + + /* Driver must override if it supports ARB_viewport_array */ + ctx->Const.MaxViewports = 1; /** GL_ARB_uniform_buffer_object */ ctx->Const.MaxCombinedUniformBlocks = 36; @@ -1348,13 +1358,17 @@ _mesa_copy_context( const struct gl_context *src, struct gl_context *dst, } if (mask & GL_VIEWPORT_BIT) { /* Cannot use memcpy, because of pointers in GLmatrix _WindowMap */ - dst->Viewport.X = src->Viewport.X; - dst->Viewport.Y = src->Viewport.Y; - dst->Viewport.Width = src->Viewport.Width; - dst->Viewport.Height = src->Viewport.Height; - dst->Viewport.Near = src->Viewport.Near; - dst->Viewport.Far = src->Viewport.Far; - _math_matrix_copy(&dst->Viewport._WindowMap, &src->Viewport._WindowMap); + unsigned i; + for (i = 0; i < src->Const.MaxViewports; i++) { + dst->ViewportArray[i].X = src->ViewportArray[i].X; + dst->ViewportArray[i].Y = src->ViewportArray[i].Y; + dst->ViewportArray[i].Width = src->ViewportArray[i].Width; + dst->ViewportArray[i].Height = src->ViewportArray[i].Height; + dst->ViewportArray[i].Near = src->ViewportArray[i].Near; + dst->ViewportArray[i].Far = src->ViewportArray[i].Far; + _math_matrix_copy(&dst->ViewportArray[i]._WindowMap, + &src->ViewportArray[i]._WindowMap); + } } /* XXX FIXME: Call callbacks? @@ -1423,12 +1437,20 @@ void _mesa_check_init_viewport(struct gl_context *ctx, GLuint width, GLuint height) { if (!ctx->ViewportInitialized && width > 0 && height > 0) { + unsigned i; + /* Note: set flag here, before calling _mesa_set_viewport(), to prevent * potential infinite recursion. */ ctx->ViewportInitialized = GL_TRUE; - _mesa_set_viewport(ctx, 0, 0, width, height); - _mesa_set_scissor(ctx, 0, 0, width, height); + + /* Note: ctx->Const.MaxViewports may not have been set by the driver + * yet, so just initialize all of them. + */ + for (i = 0; i < MAX_VIEWPORTS; i++) { + _mesa_set_viewport(ctx, i, 0, 0, width, height); + _mesa_set_scissor(ctx, i, 0, 0, width, height); + } } } @@ -1744,10 +1766,10 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where) if (ctx->NewState) _mesa_update_state(ctx); - if (ctx->Shader.CurrentVertexProgram) { + if (ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]) { vert_from_glsl_shader = true; - if (!ctx->Shader.CurrentVertexProgram->LinkStatus) { + if (!ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->LinkStatus) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(shader not linked)", where); return GL_FALSE; @@ -1756,19 +1778,19 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where) { char errMsg[100]; if (!_mesa_validate_shader_program(ctx, - ctx->Shader.CurrentVertexProgram, + ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX], errMsg)) { _mesa_warning(ctx, "Shader program %u is invalid: %s", - ctx->Shader.CurrentVertexProgram->Name, errMsg); + ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->Name, errMsg); } } #endif } - if (ctx->Shader.CurrentGeometryProgram) { + if (ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]) { geom_from_glsl_shader = true; - if (!ctx->Shader.CurrentGeometryProgram->LinkStatus) { + if (!ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->LinkStatus) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(shader not linked)", where); return GL_FALSE; @@ -1777,19 +1799,20 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where) { char errMsg[100]; if (!_mesa_validate_shader_program(ctx, - ctx->Shader.CurrentGeometryProgram, + ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY], errMsg)) { _mesa_warning(ctx, "Shader program %u is invalid: %s", - ctx->Shader.CurrentGeometryProgram->Name, errMsg); + ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->Name, + errMsg); } } #endif } - if (ctx->Shader.CurrentFragmentProgram) { + if (ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]) { frag_from_glsl_shader = true; - if (!ctx->Shader.CurrentFragmentProgram->LinkStatus) { + if (!ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->LinkStatus) { _mesa_error(ctx, GL_INVALID_OPERATION, "%s(shader not linked)", where); return GL_FALSE; @@ -1798,10 +1821,11 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where) { char errMsg[100]; if (!_mesa_validate_shader_program(ctx, - ctx->Shader.CurrentFragmentProgram, + ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT], errMsg)) { _mesa_warning(ctx, "Shader program %u is invalid: %s", - ctx->Shader.CurrentFragmentProgram->Name, errMsg); + ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->Name, + errMsg); } } #endif @@ -1851,13 +1875,9 @@ _mesa_valid_to_render(struct gl_context *ctx, const char *where) #ifdef DEBUG if (ctx->Shader.Flags & GLSL_LOG) { - struct gl_shader_program *shProg[MESA_SHADER_STAGES]; + struct gl_shader_program **shProg = ctx->Shader.CurrentProgram; gl_shader_stage i; - shProg[MESA_SHADER_VERTEX] = ctx->Shader.CurrentVertexProgram; - shProg[MESA_SHADER_GEOMETRY] = ctx->Shader.CurrentGeometryProgram; - shProg[MESA_SHADER_FRAGMENT] = ctx->Shader.CurrentFragmentProgram; - for (i = 0; i < MESA_SHADER_STAGES; i++) { if (shProg[i] == NULL || shProg[i]->_Used || shProg[i]->_LinkedShaders[i] == NULL) |