#include "matrix.h"
#include "multisample.h"
#include "performance_monitor.h"
+#include "pipelineobj.h"
#include "pixel.h"
#include "pixelstore.h"
#include "points.h"
*
* \sa Used by one_time_init().
*/
-_glthread_DECLARE_STATIC_MUTEX(OneTimeLock);
+mtx_t OneTimeLock = _MTX_INITIALIZER_NP;
{
static GLbitfield api_init_mask = 0x0;
- _glthread_LOCK_MUTEX(OneTimeLock);
+ mtx_lock(&OneTimeLock);
/* truly one-time init */
if (!api_init_mask) {
api_init_mask |= 1 << ctx->API;
- _glthread_UNLOCK_MUTEX(OneTimeLock);
+ mtx_unlock(&OneTimeLock);
/* Hopefully atexit() is widely available. If not, we may need some
* #ifdef tests here.
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;
ctx->Const.MaxUniformBufferBindings = 36;
ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
ctx->Const.MaxComputeWorkGroupSize[2] = 64;
ctx->Const.MaxComputeWorkGroupInvocations = 1024;
+
+ /** GL_ARB_gpu_shader5 */
+ ctx->Const.MinFragmentInterpolationOffset = MIN_FRAGMENT_INTERPOLATION_OFFSET;
+ ctx->Const.MaxFragmentInterpolationOffset = MAX_FRAGMENT_INTERPOLATION_OFFSET;
}
_mesa_init_matrix( ctx );
_mesa_init_multisample( ctx );
_mesa_init_performance_monitors( ctx );
+ _mesa_init_pipeline( ctx );
_mesa_init_pixel( ctx );
_mesa_init_pixelstore( ctx );
_mesa_init_point( ctx );
*
* \param ctx the context to initialize
* \param api the GL API type to create the context for
- * \param visual describes the visual attributes for this context
+ * \param visual describes the visual attributes for this context or NULL to
+ * create a configless context
* \param share_list points to context to share textures, display lists,
* etc with, or NULL
* \param driverFunctions table of device driver functions for this context
assert(driverFunctions->FreeTextureImageBuffer);
ctx->API = api;
- ctx->Visual = *visual;
ctx->DrawBuffer = NULL;
ctx->ReadBuffer = NULL;
ctx->WinSysDrawBuffer = NULL;
ctx->WinSysReadBuffer = NULL;
+ if (visual) {
+ ctx->Visual = *visual;
+ ctx->HasConfig = GL_TRUE;
+ }
+ else {
+ memset(&ctx->Visual, 0, sizeof ctx->Visual);
+ ctx->HasConfig = GL_FALSE;
+ }
+
if (_mesa_is_desktop_gl(ctx)) {
_mesa_override_gl_version(ctx);
}
* the rendering context.
*
* \param api the GL API type to create the context for
- * \param visual a struct gl_config pointer (we copy the struct contents)
+ * \param visual a struct gl_config pointer (we copy the struct contents) or
+ * NULL to create a configless context
* \param share_list another context to share display lists with or NULL
* \param driverFunctions points to the dd_function_table into which the
* driver has plugged in all its special functions.
{
struct gl_context *ctx;
- ASSERT(visual);
-
ctx = calloc(1, sizeof(struct gl_context));
if (!ctx)
return NULL;
_mesa_free_texture_data( ctx );
_mesa_free_matrix_data( ctx );
_mesa_free_viewport_data( ctx );
+ _mesa_free_pipeline_data(ctx);
_mesa_free_program_data(ctx);
_mesa_free_shader_state(ctx);
_mesa_free_queryobj_data(ctx);
}
}
+static void
+handle_first_current(struct gl_context *ctx)
+{
+ GLenum buffer;
+ GLint bufferIndex;
+
+ assert(ctx->Version > 0);
+
+ ctx->Extensions.String = _mesa_make_extension_string(ctx);
+
+ check_context_limits(ctx);
+
+ /* According to GL_MESA_configless_context the default value of
+ * glDrawBuffers depends on the config of the first surface it is bound to.
+ * For GLES it is always GL_BACK which has a magic interpretation */
+ if (!ctx->HasConfig && _mesa_is_desktop_gl(ctx)) {
+ if (ctx->DrawBuffer != _mesa_get_incomplete_framebuffer()) {
+ if (ctx->DrawBuffer->Visual.doubleBufferMode)
+ buffer = GL_BACK;
+ else
+ buffer = GL_FRONT;
+
+ _mesa_drawbuffers(ctx, 1, &buffer, NULL /* destMask */);
+ }
+
+ if (ctx->ReadBuffer != _mesa_get_incomplete_framebuffer()) {
+ if (ctx->ReadBuffer->Visual.doubleBufferMode) {
+ buffer = GL_BACK;
+ bufferIndex = BUFFER_BACK_LEFT;
+ }
+ else {
+ buffer = GL_FRONT;
+ bufferIndex = BUFFER_FRONT_LEFT;
+ }
+
+ _mesa_readbuffer(ctx, buffer, bufferIndex);
+ }
+ }
+
+ /* We can use this to help debug user's problems. Tell them to set
+ * the MESA_INFO env variable before running their app. Then the
+ * first time each context is made current we'll print some useful
+ * information.
+ */
+ if (_mesa_getenv("MESA_INFO")) {
+ _mesa_print_info(ctx);
+ }
+}
/**
* Bind the given context to the given drawBuffer and readBuffer and
}
if (newCtx->FirstTimeCurrent) {
- assert(newCtx->Version > 0);
-
- newCtx->Extensions.String = _mesa_make_extension_string(newCtx);
-
- check_context_limits(newCtx);
-
- /* We can use this to help debug user's problems. Tell them to set
- * the MESA_INFO env variable before running their app. Then the
- * first time each context is made current we'll print some useful
- * information.
- */
- if (_mesa_getenv("MESA_INFO")) {
- _mesa_print_info(newCtx);
- }
-
+ handle_first_current(newCtx);
newCtx->FirstTimeCurrent = GL_FALSE;
}
}
return GL_TRUE;
}
-/**
- * Prior to drawing anything with glBegin, glDrawArrays, etc. this function
- * is called to see if it's valid to render. This involves checking that
- * the current shader is valid and the framebuffer is complete.
- * If an error is detected it'll be recorded here.
- * \return GL_TRUE if OK to render, GL_FALSE if not
- */
-GLboolean
-_mesa_valid_to_render(struct gl_context *ctx, const char *where)
+static bool
+shader_linked_or_absent(struct gl_context *ctx,
+ const struct gl_shader_program *shProg,
+ bool *shader_present, const char *where)
{
- bool vert_from_glsl_shader = false;
- bool geom_from_glsl_shader = false;
- bool frag_from_glsl_shader = false;
-
- /* This depends on having up to date derived state (shaders) */
- if (ctx->NewState)
- _mesa_update_state(ctx);
-
- if (ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]) {
- vert_from_glsl_shader = true;
+ if (shProg) {
+ *shader_present = true;
- if (!ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->LinkStatus) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(shader not linked)", where);
- return GL_FALSE;
+ if (!shProg->LinkStatus) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(shader not linked)", where);
+ return false;
}
#if 0 /* not normally enabled */
{
char errMsg[100];
- if (!_mesa_validate_shader_program(ctx,
- ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX],
- errMsg)) {
+ if (!_mesa_validate_shader_program(ctx, shProg, errMsg)) {
_mesa_warning(ctx, "Shader program %u is invalid: %s",
- ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX]->Name, errMsg);
+ shProg->Name, errMsg);
}
}
#endif
}
- if (ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]) {
- geom_from_glsl_shader = true;
+ return true;
+}
- if (!ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->LinkStatus) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(shader not linked)", where);
- return GL_FALSE;
- }
-#if 0 /* not normally enabled */
- {
- char errMsg[100];
- if (!_mesa_validate_shader_program(ctx,
- ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY],
- errMsg)) {
- _mesa_warning(ctx, "Shader program %u is invalid: %s",
- ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY]->Name,
- errMsg);
- }
- }
-#endif
- }
+/**
+ * Prior to drawing anything with glBegin, glDrawArrays, etc. this function
+ * is called to see if it's valid to render. This involves checking that
+ * the current shader is valid and the framebuffer is complete.
+ * It also check the current pipeline object is valid if any.
+ * If an error is detected it'll be recorded here.
+ * \return GL_TRUE if OK to render, GL_FALSE if not
+ */
+GLboolean
+_mesa_valid_to_render(struct gl_context *ctx, const char *where)
+{
+ bool from_glsl_shader[MESA_SHADER_COMPUTE] = { false };
+ unsigned i;
- if (ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]) {
- frag_from_glsl_shader = true;
+ /* This depends on having up to date derived state (shaders) */
+ if (ctx->NewState)
+ _mesa_update_state(ctx);
- if (!ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->LinkStatus) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(shader not linked)", where);
+ for (i = 0; i < MESA_SHADER_COMPUTE; i++) {
+ if (!shader_linked_or_absent(ctx, ctx->_Shader->CurrentProgram[i],
+ &from_glsl_shader[i], where))
return GL_FALSE;
- }
-#if 0 /* not normally enabled */
- {
- char errMsg[100];
- if (!_mesa_validate_shader_program(ctx,
- ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT],
- errMsg)) {
- _mesa_warning(ctx, "Shader program %u is invalid: %s",
- ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT]->Name,
- errMsg);
- }
- }
-#endif
}
/* Any shader stages that are not supplied by the GLSL shader and have
* assembly shaders enabled must now be validated.
*/
- if (!vert_from_glsl_shader
+ if (!from_glsl_shader[MESA_SHADER_VERTEX]
&& ctx->VertexProgram.Enabled && !ctx->VertexProgram._Enabled) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(vertex program not valid)", where);
/* FINISHME: If GL_NV_geometry_program4 is ever supported, the current
* FINISHME: geometry program should validated here.
*/
- (void) geom_from_glsl_shader;
+ (void) from_glsl_shader[MESA_SHADER_GEOMETRY];
- if (!frag_from_glsl_shader) {
+ if (!from_glsl_shader[MESA_SHADER_FRAGMENT]) {
if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"%s(fragment program not valid)", where);
}
}
+ /* A pipeline object is bound */
+ if (ctx->_Shader->Name && !ctx->_Shader->Validated) {
+ /* Error message will be printed inside _mesa_validate_program_pipeline.
+ */
+ if (!_mesa_validate_program_pipeline(ctx, ctx->_Shader, GL_TRUE)) {
+ return GL_FALSE;
+ }
+ }
+
if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"%s(incomplete framebuffer)", where);
}
#ifdef DEBUG
- if (ctx->Shader.Flags & GLSL_LOG) {
- struct gl_shader_program **shProg = ctx->Shader.CurrentProgram;
+ if (ctx->_Shader->Flags & GLSL_LOG) {
+ struct gl_shader_program **shProg = ctx->_Shader->CurrentProgram;
gl_shader_stage i;
for (i = 0; i < MESA_SHADER_STAGES; i++) {
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