#include "fbobject.h"
#include "feedback.h"
#include "fog.h"
+#include "formats.h"
#include "framebuffer.h"
#include "hint.h"
#include "hash.h"
#if _HAVE_FULL_GL
#include "math/m_matrix.h"
#endif
+#include "main/dispatch.h" /* for _gloffset_COUNT */
#ifdef USE_SPARC_ASM
#include "sparc/sparc.h"
GLint accumAlphaBits,
GLint numSamples )
{
- struct gl_config *vis = (struct gl_config *) calloc(1, sizeof(struct gl_config));
+ struct gl_config *vis = CALLOC_STRUCT(gl_config);
if (vis) {
if (!_mesa_initialize_visual(vis, dbFlag, stereoFlag,
redBits, greenBits, blueBits, alphaBits,
return vis;
}
+
/**
- * Makes some sanity checks and fills in the fields of the
- * struct gl_config object with the given parameters. If the caller needs
- * to set additional fields, he should just probably init the whole struct gl_config
- * object himself.
+ * Makes some sanity checks and fills in the fields of the struct
+ * gl_config object with the given parameters. If the caller needs to
+ * set additional fields, he should just probably init the whole
+ * gl_config object himself.
+ *
* \return GL_TRUE on success, or GL_FALSE on failure.
*
* \sa _mesa_create_visual() above for the parameter description.
*/
_glthread_DECLARE_STATIC_MUTEX(OneTimeLock);
+
+
/**
* Calls all the various one-time-init functions in Mesa.
*
static void
one_time_init( struct gl_context *ctx )
{
- static GLboolean alreadyCalled = GL_FALSE;
- (void) ctx;
+ static GLbitfield api_init_mask = 0x0;
+
_glthread_LOCK_MUTEX(OneTimeLock);
- if (!alreadyCalled) {
+
+ /* truly one-time init */
+ if (!api_init_mask) {
GLuint i;
/* do some implementation tests */
_mesa_get_cpu_features();
- switch (ctx->API) {
-#if FEATURE_GL
- case API_OPENGL:
- _mesa_init_remap_table();
- break;
-#endif
-#if FEATURE_ES1
- case API_OPENGLES:
- _mesa_init_remap_table_es1();
- break;
-#endif
-#if FEATURE_ES2
- case API_OPENGLES2:
- _mesa_init_remap_table_es2();
- break;
-#endif
- default:
- break;
- }
-
_mesa_init_sqrt_table();
+
+ /* context dependence is never a one-time thing... */
_mesa_init_get_hash(ctx);
for (i = 0; i < 256; i++) {
}
#if defined(DEBUG) && defined(__DATE__) && defined(__TIME__)
- _mesa_debug(ctx, "Mesa %s DEBUG build %s %s\n",
- MESA_VERSION_STRING, __DATE__, __TIME__);
+ if (MESA_VERBOSE != 0) {
+ _mesa_debug(ctx, "Mesa %s DEBUG build %s %s\n",
+ MESA_VERSION_STRING, __DATE__, __TIME__);
+ }
+#endif
+
+#ifdef DEBUG
+ _mesa_test_formats();
#endif
+ }
- alreadyCalled = GL_TRUE;
+ /* per-API one-time init */
+ if (!(api_init_mask & (1 << ctx->API))) {
+ /*
+ * This is fine as ES does not use the remap table, but it may not be
+ * future-proof. We cannot always initialize the remap table because
+ * when an app is linked to libGLES*, there are not enough dynamic
+ * entries.
+ */
+ if (ctx->API == API_OPENGL)
+ _mesa_init_remap_table();
}
+
+ api_init_mask |= 1 << ctx->API;
+
_glthread_UNLOCK_MUTEX(OneTimeLock);
/* Hopefully atexit() is widely available. If not, we may need some
prog->MaxEnvParams = MAX_PROGRAM_ENV_PARAMS;
prog->MaxLocalParams = MAX_PROGRAM_LOCAL_PARAMS;
prog->MaxUniformComponents = 4 * MAX_UNIFORMS;
+ prog->MaxAddressOffset = MAX_PROGRAM_LOCAL_PARAMS;
switch (type) {
case GL_VERTEX_PROGRAM_ARB:
prog->MaxNativeTemps = 0;
prog->MaxNativeAddressRegs = 0;
prog->MaxNativeParameters = 0;
+
+ /* Set GLSL datatype range/precision info assuming IEEE float values.
+ * Drivers should override these defaults as needed.
+ */
+ prog->MediumFloat.RangeMin = 127;
+ prog->MediumFloat.RangeMax = 127;
+ prog->MediumFloat.Precision = 23;
+ prog->LowFloat = prog->HighFloat = prog->MediumFloat;
+
+ /* Assume ints are stored as floats for now, since this is the least-common
+ * denominator. The OpenGL ES spec implies (page 132) that the precision
+ * of integer types should be 0. Practically speaking, IEEE
+ * single-precision floating point values can only store integers in the
+ * range [-0x01000000, 0x01000000] without loss of precision.
+ */
+ prog->MediumInt.RangeMin = 24;
+ prog->MediumInt.RangeMax = 24;
+ prog->MediumInt.Precision = 0;
+ prog->LowInt = prog->HighInt = prog->MediumInt;
}
assert(ctx);
/* Constants, may be overriden (usually only reduced) by device drivers */
+ ctx->Const.MaxTextureMbytes = MAX_TEXTURE_MBYTES;
ctx->Const.MaxTextureLevels = MAX_TEXTURE_LEVELS;
ctx->Const.Max3DTextureLevels = MAX_3D_TEXTURE_LEVELS;
ctx->Const.MaxCubeTextureLevels = MAX_CUBE_TEXTURE_LEVELS;
/* Shading language version */
if (ctx->API == API_OPENGL) {
-#if FEATURE_ARB_shading_language_120
ctx->Const.GLSLVersion = 120;
-#else
- ctx->Const.GLSLVersion = 110;
-#endif
}
else if (ctx->API == API_OPENGLES2) {
ctx->Const.GLSLVersion = 100;
/* GL 3.2: hard-coded for now: */
ctx->Const.ProfileMask = GL_CONTEXT_COMPATIBILITY_PROFILE_BIT;
+
+ /** GL_EXT_gpu_shader4 */
+ ctx->Const.MinProgramTexelOffset = -8;
+ ctx->Const.MaxProgramTexelOffset = 7;
}
* Mesa we do this to accomodate different versions of libGL and various
* DRI drivers.
*/
- GLint numEntries = MAX2(_glapi_get_dispatch_table_size(),
- size / sizeof(_glapi_proc));
- struct _glapi_table *table =
- (struct _glapi_table *) malloc(numEntries * sizeof(_glapi_proc));
+ GLint numEntries = MAX2(_glapi_get_dispatch_table_size(), _gloffset_COUNT);
+ struct _glapi_table *table;
+
+ /* should never happen, but just in case */
+ numEntries = MAX2(numEntries, size);
+
+ table = (struct _glapi_table *) malloc(numEntries * sizeof(_glapi_proc));
if (table) {
_glapi_proc *entry = (_glapi_proc *) table;
GLint i;
* \param driverContext pointer to driver-specific context data
*/
GLboolean
-_mesa_initialize_context_for_api(struct gl_context *ctx,
- gl_api api,
- const struct gl_config *visual,
- struct gl_context *share_list,
- const struct dd_function_table *driverFunctions,
- void *driverContext)
+_mesa_initialize_context(struct gl_context *ctx,
+ gl_api api,
+ const struct gl_config *visual,
+ struct gl_context *share_list,
+ const struct dd_function_table *driverFunctions,
+ void *driverContext)
{
struct gl_shared_state *shared;
int i;
ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
}
+ /* Mesa core handles all the formats that mesa core knows about.
+ * Drivers will want to override this list with just the formats
+ * they can handle, and confirm that appropriate fallbacks exist in
+ * _mesa_choose_tex_format().
+ */
+ memset(&ctx->TextureFormatSupported, GL_TRUE,
+ sizeof(ctx->TextureFormatSupported));
+
switch (ctx->API) {
case API_OPENGL:
#if FEATURE_dlist
return GL_TRUE;
}
-GLboolean
-_mesa_initialize_context(struct gl_context *ctx,
- const struct gl_config *visual,
- struct gl_context *share_list,
- const struct dd_function_table *driverFunctions,
- void *driverContext)
-{
- return _mesa_initialize_context_for_api(ctx,
- API_OPENGL,
- visual,
- share_list,
- driverFunctions,
- driverContext);
-}
/**
* Allocate and initialize a struct gl_context structure.
* \return pointer to a new __struct gl_contextRec or NULL if error.
*/
struct gl_context *
-_mesa_create_context_for_api(gl_api api,
- const struct gl_config *visual,
- struct gl_context *share_list,
- const struct dd_function_table *driverFunctions,
- void *driverContext)
+_mesa_create_context(gl_api api,
+ const struct gl_config *visual,
+ struct gl_context *share_list,
+ const struct dd_function_table *driverFunctions,
+ void *driverContext)
{
struct gl_context *ctx;
if (!ctx)
return NULL;
- if (_mesa_initialize_context_for_api(ctx, api, visual, share_list,
- driverFunctions, driverContext)) {
+ if (_mesa_initialize_context(ctx, api, visual, share_list,
+ driverFunctions, driverContext)) {
return ctx;
}
else {
}
}
-struct gl_context *
-_mesa_create_context(const struct gl_config *visual,
- struct gl_context *share_list,
- const struct dd_function_table *driverFunctions,
- void *driverContext)
-{
- return _mesa_create_context_for_api(API_OPENGL, visual,
- share_list,
- driverFunctions,
- driverContext);
-}
/**
* Free the data associated with the given context.
*
* \param ctx GL context.
*
- * Calls _mesa_free_context_data() and frees the struct gl_context structure itself.
+ * Calls _mesa_free_context_data() and frees the gl_context object itself.
*/
void
_mesa_destroy_context( struct gl_context *ctx )
* \return GL_TRUE if compatible, GL_FALSE otherwise.
*/
static GLboolean
-check_compatible(const struct gl_context *ctx, const struct gl_framebuffer *buffer)
+check_compatible(const struct gl_context *ctx,
+ const struct gl_framebuffer *buffer)
{
const struct gl_config *ctxvis = &ctx->Visual;
const struct gl_config *bufvis = &buffer->Visual;
- if (ctxvis == bufvis)
- return GL_TRUE;
-
if (buffer == _mesa_get_incomplete_framebuffer())
return GL_TRUE;
* \param readBuffer the reading framebuffer
*/
GLboolean
-_mesa_make_current( struct gl_context *newCtx, struct gl_framebuffer *drawBuffer,
+_mesa_make_current( struct gl_context *newCtx,
+ struct gl_framebuffer *drawBuffer,
struct gl_framebuffer *readBuffer )
{
+ GET_CURRENT_CONTEXT(curCtx);
+
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(newCtx, "_mesa_make_current()\n");
}
}
+ if (curCtx &&
+ (curCtx->WinSysDrawBuffer || curCtx->WinSysReadBuffer) && /* make sure this context is valid for flushing */
+ curCtx != newCtx)
+ _mesa_flush(curCtx);
+
/* We used to call _glapi_check_multithread() here. Now do it in drivers */
_glapi_set_context((void *) newCtx);
ASSERT(_mesa_get_current_context() == newCtx);
buffers[i] = newCtx->Color.DrawBuffer[i];
}
- _mesa_drawbuffers(newCtx, newCtx->Const.MaxDrawBuffers, buffers, NULL);
+ _mesa_drawbuffers(newCtx, newCtx->Const.MaxDrawBuffers,
+ buffers, NULL);
}
if (!newCtx->ReadBuffer || newCtx->ReadBuffer->Name == 0) {
_mesa_reference_framebuffer(&newCtx->ReadBuffer, readBuffer);
if (ctx->NewState)
_mesa_update_state(ctx);
- if (ctx->Shader.CurrentProgram) {
- struct gl_shader_program *const prog = ctx->Shader.CurrentProgram;
+ if (ctx->Shader.CurrentVertexProgram) {
+ vert_from_glsl_shader = true;
- /* using shaders */
- if (!prog->LinkStatus) {
+ if (!ctx->Shader.CurrentVertexProgram->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, prog, errMsg)) {
+ if (!_mesa_validate_shader_program(ctx,
+ ctx->Shader.CurrentVertexProgram,
+ errMsg)) {
_mesa_warning(ctx, "Shader program %u is invalid: %s",
- prog->Name, errMsg);
+ ctx->Shader.CurrentVertexProgram->Name, errMsg);
}
}
#endif
+ }
- /* Figure out which shader stages are provided by the GLSL program. For
- * any stages that are not provided, the corresponding assembly shader
- * target will be validated below.
- */
- vert_from_glsl_shader =
- prog->_LinkedShaders[MESA_SHADER_VERTEX] != NULL;
- geom_from_glsl_shader =
- prog->_LinkedShaders[MESA_SHADER_GEOMETRY] != NULL;
- frag_from_glsl_shader =
- prog->_LinkedShaders[MESA_SHADER_FRAGMENT] != NULL;
+ if (ctx->Shader.CurrentGeometryProgram) {
+ geom_from_glsl_shader = true;
+
+ if (!ctx->Shader.CurrentGeometryProgram->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.CurrentGeometryProgram,
+ errMsg)) {
+ _mesa_warning(ctx, "Shader program %u is invalid: %s",
+ ctx->Shader.CurrentGeometryProgram->Name, errMsg);
+ }
+ }
+#endif
}
+ if (ctx->Shader.CurrentFragmentProgram) {
+ frag_from_glsl_shader = true;
+
+ if (!ctx->Shader.CurrentFragmentProgram->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.CurrentFragmentProgram,
+ errMsg)) {
+ _mesa_warning(ctx, "Shader program %u is invalid: %s",
+ ctx->Shader.CurrentFragmentProgram->Name, errMsg);
+ }
+ }
+#endif
+ }
/* Any shader stages that are not supplied by the GLSL shader and have
* assembly shaders enabled must now be validated.
*/
(void) geom_from_glsl_shader;
- if (!frag_from_glsl_shader
- && ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(fragment program not valid)", where);
- return GL_FALSE;
+ if (!frag_from_glsl_shader) {
+ if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(fragment program not valid)", where);
+ return GL_FALSE;
+ }
+
+ /* If drawing to integer-valued color buffers, there must be an
+ * active fragment shader (GL_EXT_texture_integer).
+ */
+ if (ctx->DrawBuffer && ctx->DrawBuffer->_IntegerColor) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(integer format but no fragment shader)", where);
+ return GL_FALSE;
+ }
}
if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
#ifdef DEBUG
if (ctx->Shader.Flags & GLSL_LOG) {
- struct gl_shader_program *shProg = ctx->Shader.CurrentProgram;
- if (shProg) {
- if (!shProg->_Used) {
- /* This is the first time this shader is being used.
- * Append shader's constants/uniforms to log file.
- */
- GLuint i;
- for (i = 0; i < shProg->NumShaders; i++) {
- struct gl_shader *sh = shProg->Shaders[i];
- if (sh->Type == GL_VERTEX_SHADER) {
- _mesa_append_uniforms_to_file(sh,
- &shProg->VertexProgram->Base);
- }
- else if (sh->Type == GL_FRAGMENT_SHADER) {
- _mesa_append_uniforms_to_file(sh,
- &shProg->FragmentProgram->Base);
- }
- }
- shProg->_Used = GL_TRUE;
- }
+ struct gl_shader_program *shProg[MESA_SHADER_TYPES];
+ gl_shader_type 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_TYPES; i++) {
+ struct gl_shader *sh;
+
+ if (shProg[i] == NULL || shProg[i]->_Used
+ || shProg[i]->_LinkedShaders[i] == NULL)
+ continue;
+
+ /* This is the first time this shader is being used.
+ * Append shader's constants/uniforms to log file.
+ *
+ * The logic is a little odd here. We only want to log data for each
+ * shader target that will actually be used, and we only want to log
+ * it once. It's possible to have a program bound to the vertex
+ * shader target that also supplied a fragment shader. If that
+ * program isn't also bound to the fragment shader target we don't
+ * want to log its fragment data.
+ */
+ sh = shProg[i]->_LinkedShaders[i];
+ switch (sh->Type) {
+ case GL_VERTEX_SHADER:
+ _mesa_append_uniforms_to_file(sh, &shProg[i]->VertexProgram->Base);
+ break;
+
+ case GL_GEOMETRY_SHADER_ARB:
+ _mesa_append_uniforms_to_file(sh,
+ &shProg[i]->GeometryProgram->Base);
+ break;
+
+ case GL_FRAGMENT_SHADER:
+ _mesa_append_uniforms_to_file(sh,
+ &shProg[i]->FragmentProgram->Base);
+ break;
+ }
+ }
+
+ for (i = 0; i < MESA_SHADER_TYPES; i++) {
+ if (shProg[i] != NULL)
+ shProg[i]->_Used = GL_TRUE;
}
}
#endif
projects / mesa.git / blobdiff