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Commit f5aee34d authored by Matteo Bruni's avatar Matteo Bruni Committed by Alexandre Julliard
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wined3d: Alpha test emulation for core profile contexts.

Signed-off-by: 's avatarMatteo Bruni <mbruni@codeweavers.com> Signed-off-by: 's avatarHenri Verbeet <hverbeet@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent a911bff8
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Showing with 123 additions and 33 deletions
dlls/wined3d/glsl_shader.c
View file @ f5aee34d
......@@ -178,6 +178,7 @@ struct glsl_ps_program
GLint fog_density_location;
GLint fog_end_location;
GLint fog_scale_location;
GLint alpha_test_ref_location;
GLint ycorrection_location;
GLint np2_fixup_location;
GLint color_key_location;
......@@ -1486,6 +1487,14 @@ static void shader_glsl_load_constants(void *shader_priv, struct wined3d_context
if (update_mask & WINED3D_SHADER_CONST_PS_FOG)
shader_glsl_load_fog_uniform(context, state, prog);
if (update_mask & WINED3D_SHADER_CONST_PS_ALPHA_TEST)
{
float ref = state->render_states[WINED3D_RS_ALPHAREF] / 255.0f;
GL_EXTCALL(glUniform1f(prog->ps.alpha_test_ref_location, ref));
checkGLcall("alpha test emulation uniform");
}
if (priv->next_constant_version == UINT_MAX)
{
TRACE("Max constant version reached, resetting to 0.\n");
......@@ -2020,6 +2029,9 @@ static void shader_generate_glsl_declarations(const struct wined3d_context *cont
shader_addline(buffer, "vec4 vpos;\n");
}
if (ps_args->alpha_test_func + 1 != WINED3D_CMP_ALWAYS)
shader_addline(buffer, "uniform float alpha_test_ref;\n");
if (!needs_legacy_glsl_syntax(gl_info))
shader_addline(buffer, "out vec4 ps_out[%u];\n", gl_info->limits.buffers);
......@@ -5453,6 +5465,32 @@ static void shader_glsl_generate_fog_code(struct wined3d_string_buffer *buffer,
output, output);
}
static void shader_glsl_generate_alpha_test(struct wined3d_string_buffer *buffer,
const struct wined3d_gl_info *gl_info, enum wined3d_cmp_func alpha_func)
{
/* alpha_func is the PASS condition, not the DISCARD condition. Instead of
* flipping all the operators here, just negate the comparison below. */
static const char * const comparison_operator[] =
{
"", /* WINED3D_CMP_NEVER */
"<", /* WINED3D_CMP_LESS */
"==", /* WINED3D_CMP_EQUAL */
"<=", /* WINED3D_CMP_LESSEQUAL */
">", /* WINED3D_CMP_GREATER */
"!=", /* WINED3D_CMP_NOTEQUAL */
">=", /* WINED3D_CMP_GREATEREQUAL */
"" /* WINED3D_CMP_ALWAYS */
};
if (alpha_func == WINED3D_CMP_ALWAYS)
return;
if (alpha_func != WINED3D_CMP_NEVER)
shader_addline(buffer, "if (!(%s[0].a %s alpha_test_ref))\n",
get_fragment_output(gl_info), comparison_operator[alpha_func - WINED3D_CMP_NEVER]);
shader_addline(buffer, " discard;\n");
}
/* Context activation is done by the caller. */
static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context,
struct wined3d_string_buffer *buffer, struct wined3d_string_buffer_list *string_buffers,
......@@ -5545,6 +5583,8 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context
if (reg_maps->shader_version.major < 3)
shader_glsl_generate_fog_code(buffer, gl_info, args->fog);
shader_glsl_generate_alpha_test(buffer, gl_info, args->alpha_test_func + 1);
shader_addline(buffer, "}\n");
TRACE("Compiling shader object %u.\n", shader_id);
......@@ -6557,6 +6597,9 @@ static void shader_glsl_ffp_fragment_op(struct wined3d_string_buffer *buffer, un
static GLuint shader_glsl_generate_ffp_fragment_shader(struct shader_glsl_priv *priv,
const struct ffp_frag_settings *settings, const struct wined3d_gl_info *gl_info)
{
struct wined3d_string_buffer *tex_reg_name = string_buffer_get(&priv->string_buffers);
enum wined3d_cmp_func alpha_test_func = settings->alpha_test_func + 1;
BOOL legacy_context = gl_info->supported[WINED3D_GL_LEGACY_CONTEXT];
struct wined3d_string_buffer *buffer = &priv->shader_buffer;
BYTE lum_map = 0, bump_map = 0, tex_map = 0, tss_const_map = 0;
BOOL tempreg_used = FALSE, tfactor_used = FALSE;
......@@ -6564,8 +6607,6 @@ static GLuint shader_glsl_generate_ffp_fragment_shader(struct shader_glsl_priv *
GLuint shader_id;
DWORD arg0, arg1, arg2;
unsigned int stage;
struct wined3d_string_buffer *tex_reg_name = string_buffer_get(&priv->string_buffers);
BOOL legacy_context = gl_info->supported[WINED3D_GL_LEGACY_CONTEXT];
string_buffer_clear(buffer);
......@@ -6708,6 +6749,9 @@ static GLuint shader_glsl_generate_ffp_fragment_shader(struct shader_glsl_priv *
shader_addline(buffer, " float scale;\n");
shader_addline(buffer, "} ffp_fog;\n");
if (alpha_test_func != WINED3D_CMP_ALWAYS)
shader_addline(buffer, "uniform float alpha_test_ref;\n");
if (legacy_context)
{
shader_addline(buffer, "vec4 ffp_varying_diffuse;\n");
......@@ -6962,6 +7006,8 @@ static GLuint shader_glsl_generate_ffp_fragment_shader(struct shader_glsl_priv *
shader_glsl_generate_fog_code(buffer, gl_info, settings->fog);
shader_glsl_generate_alpha_test(buffer, gl_info, alpha_test_func);
shader_addline(buffer, "}\n");
shader_id = GL_EXTCALL(glCreateShader(GL_FRAGMENT_SHADER));
......@@ -7140,6 +7186,8 @@ static void shader_glsl_init_ps_uniform_locations(const struct wined3d_gl_info *
ps->fog_end_location = GL_EXTCALL(glGetUniformLocation(program_id, "ffp_fog.end"));
ps->fog_scale_location = GL_EXTCALL(glGetUniformLocation(program_id, "ffp_fog.scale"));
ps->alpha_test_ref_location = GL_EXTCALL(glGetUniformLocation(program_id, "alpha_test_ref"));
ps->np2_fixup_location = GL_EXTCALL(glGetUniformLocation(program_id, "ps_samplerNP2Fixup"));
ps->ycorrection_location = GL_EXTCALL(glGetUniformLocation(program_id, "ycorrection"));
ps->color_key_location = GL_EXTCALL(glGetUniformLocation(program_id, "color_key"));
......@@ -7487,6 +7535,8 @@ static void set_glsl_shader_program(const struct wined3d_context *context, const
if (entry->ps.fog_color_location != -1)
entry->constant_update_mask |= WINED3D_SHADER_CONST_PS_FOG;
if (entry->ps.alpha_test_ref_location != -1)
entry->constant_update_mask |= WINED3D_SHADER_CONST_PS_ALPHA_TEST;
if (entry->ps.np2_fixup_location != -1)
entry->constant_update_mask |= WINED3D_SHADER_CONST_PS_NP2_FIXUP;
if (entry->ps.color_key_location != -1)
......@@ -8949,35 +8999,47 @@ static void glsl_fragment_pipe_invalidate_constants(struct wined3d_context *cont
context->constant_update_mask |= WINED3D_SHADER_CONST_FFP_PS;
}
static void glsl_fragment_pipe_alpha_test(struct wined3d_context *context,
static void glsl_fragment_pipe_alpha_test_func(struct wined3d_context *context,
const struct wined3d_state *state, DWORD state_id)
{
const struct wined3d_gl_info *gl_info = context->gl_info;
int glParm;
float ref;
GLint func = wined3d_gl_compare_func(state->render_states[WINED3D_RS_ALPHAFUNC]);
float ref = state->render_states[WINED3D_RS_ALPHAREF] / 255.0f;
TRACE("context %p, state %p, state_id %#x.\n", context, state, state_id);
if (func)
{
gl_info->gl_ops.gl.p_glAlphaFunc(func, ref);
checkGLcall("glAlphaFunc");
}
}
static void glsl_fragment_pipe_core_alpha_test(struct wined3d_context *context,
const struct wined3d_state *state, DWORD state_id)
{
context->shader_update_mask |= 1u << WINED3D_SHADER_TYPE_PIXEL;
}
static void glsl_fragment_pipe_alpha_test(struct wined3d_context *context,
const struct wined3d_state *state, DWORD state_id)
{
const struct wined3d_gl_info *gl_info = context->gl_info;
if (state->render_states[WINED3D_RS_ALPHATESTENABLE])
{
gl_info->gl_ops.gl.p_glEnable(GL_ALPHA_TEST);
checkGLcall("glEnable GL_ALPHA_TEST");
checkGLcall("glEnable(GL_ALPHA_TEST)");
}
else
{
gl_info->gl_ops.gl.p_glDisable(GL_ALPHA_TEST);
checkGLcall("glDisable GL_ALPHA_TEST");
return;
checkGLcall("glDisable(GL_ALPHA_TEST)");
}
}
ref = ((float)state->render_states[WINED3D_RS_ALPHAREF]) / 255.0f;
glParm = wined3d_gl_compare_func(state->render_states[WINED3D_RS_ALPHAFUNC]);
if (glParm)
{
gl_info->gl_ops.gl.p_glAlphaFunc(glParm, ref);
checkGLcall("glAlphaFunc");
}
static void glsl_fragment_pipe_core_alpha_test_ref(struct wined3d_context *context,
const struct wined3d_state *state, DWORD state_id)
{
context->constant_update_mask |= WINED3D_SHADER_CONST_PS_ALPHA_TEST;
}
static void glsl_fragment_pipe_color_key(struct wined3d_context *context,
......@@ -9070,9 +9132,12 @@ static const struct StateEntryTemplate glsl_fragment_pipe_state_template[] =
{STATE_TEXTURESTAGE(7, WINED3D_TSS_ALPHA_ARG0), {STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL), NULL }, WINED3D_GL_EXT_NONE },
{STATE_TEXTURESTAGE(7, WINED3D_TSS_RESULT_ARG), {STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL), NULL }, WINED3D_GL_EXT_NONE },
{STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL), {STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL), glsl_fragment_pipe_shader }, WINED3D_GL_EXT_NONE },
{STATE_RENDER(WINED3D_RS_ALPHAFUNC), {STATE_RENDER(WINED3D_RS_ALPHAFUNC), glsl_fragment_pipe_alpha_test_func }, WINED3D_GL_LEGACY_CONTEXT},
{STATE_RENDER(WINED3D_RS_ALPHAFUNC), {STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), NULL }, WINED3D_GL_EXT_NONE },
{STATE_RENDER(WINED3D_RS_ALPHAREF), {STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), NULL }, WINED3D_GL_EXT_NONE },
{STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), {STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), glsl_fragment_pipe_alpha_test }, WINED3D_GL_EXT_NONE },
{STATE_RENDER(WINED3D_RS_ALPHAREF), {STATE_RENDER(WINED3D_RS_ALPHAFUNC), NULL }, WINED3D_GL_LEGACY_CONTEXT},
{STATE_RENDER(WINED3D_RS_ALPHAREF), {STATE_RENDER(WINED3D_RS_ALPHAREF), glsl_fragment_pipe_core_alpha_test_ref }, WINED3D_GL_EXT_NONE },
{STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), {STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), glsl_fragment_pipe_alpha_test }, WINED3D_GL_LEGACY_CONTEXT},
{STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), {STATE_RENDER(WINED3D_RS_ALPHATESTENABLE), glsl_fragment_pipe_core_alpha_test }, WINED3D_GL_EXT_NONE },
{STATE_RENDER(WINED3D_RS_COLORKEYENABLE), {STATE_SHADER(WINED3D_SHADER_TYPE_PIXEL), NULL }, WINED3D_GL_EXT_NONE },
{STATE_COLOR_KEY, { STATE_COLOR_KEY, glsl_fragment_pipe_color_key }, WINED3D_GL_EXT_NONE },
{STATE_RENDER(WINED3D_RS_FOGENABLE), {STATE_RENDER(WINED3D_RS_FOGENABLE), glsl_fragment_pipe_fog }, WINED3D_GL_EXT_NONE },
......
dlls/wined3d/shader.c
View file @ f5aee34d
......@@ -2682,7 +2682,7 @@ void find_vs_compile_args(const struct wined3d_state *state, const struct wined3
if (d3d_info->emulated_flatshading)
args->flatshading = state->render_states[WINED3D_RS_SHADEMODE] == WINED3D_SHADE_FLAT;
else
args->flatshading = FALSE;
args->flatshading = 0;
}
static BOOL match_usage(BYTE usage1, BYTE usage_idx1, BYTE usage2, BYTE usage_idx2)
......@@ -3105,6 +3105,13 @@ void find_ps_compile_args(const struct wined3d_state *state, const struct wined3
args->pointsprite = state->render_states[WINED3D_RS_POINTSPRITEENABLE]
&& state->gl_primitive_type == GL_POINTS;
if (gl_info->supported[WINED3D_GL_LEGACY_CONTEXT])
args->alpha_test_func = WINED3D_CMP_ALWAYS - 1;
else
args->alpha_test_func = (state->render_states[WINED3D_RS_ALPHATESTENABLE]
? wined3d_sanitize_cmp_func(state->render_states[WINED3D_RS_ALPHAFUNC])
: WINED3D_CMP_ALWAYS) - 1;
if (d3d_info->emulated_flatshading)
args->flatshading = state->render_states[WINED3D_RS_SHADEMODE] == WINED3D_SHADE_FLAT;
}
......
dlls/wined3d/utils.c
View file @ f5aee34d
......@@ -5136,6 +5136,13 @@ void gen_ffp_frag_op(const struct wined3d_context *context, const struct wined3d
settings->pointsprite = state->render_states[WINED3D_RS_POINTSPRITEENABLE]
&& state->gl_primitive_type == GL_POINTS;
if (gl_info->supported[WINED3D_GL_LEGACY_CONTEXT])
settings->alpha_test_func = WINED3D_CMP_ALWAYS - 1;
else
settings->alpha_test_func = (state->render_states[WINED3D_RS_ALPHATESTENABLE]
? wined3d_sanitize_cmp_func(state->render_states[WINED3D_RS_ALPHAFUNC])
: WINED3D_CMP_ALWAYS) - 1;
if (d3d_info->emulated_flatshading)
settings->flatshading = state->render_states[WINED3D_RS_SHADEMODE] == WINED3D_SHADE_FLAT;
else
......
dlls/wined3d/wined3d_private.h
View file @ f5aee34d
......@@ -201,6 +201,13 @@ extern const GLenum magLookup[WINED3D_TEXF_LINEAR + 1] DECLSPEC_HIDDEN;
GLenum wined3d_gl_compare_func(enum wined3d_cmp_func f) DECLSPEC_HIDDEN;
static inline enum wined3d_cmp_func wined3d_sanitize_cmp_func(enum wined3d_cmp_func func)
{
if (func < WINED3D_CMP_NEVER || func > WINED3D_CMP_ALWAYS)
return WINED3D_CMP_ALWAYS;
return func;
}
static inline GLenum wined3d_gl_mag_filter(enum wined3d_texture_filter_type mag_filter)
{
return magLookup[mag_filter];
......@@ -330,16 +337,17 @@ enum wined3d_shader_resource_type
#define WINED3D_SHADER_CONST_PS_B 0x00000080
#define WINED3D_SHADER_CONST_PS_BUMP_ENV 0x00000100
#define WINED3D_SHADER_CONST_PS_FOG 0x00000200
#define WINED3D_SHADER_CONST_PS_Y_CORR 0x00000400
#define WINED3D_SHADER_CONST_PS_NP2_FIXUP 0x00000800
#define WINED3D_SHADER_CONST_FFP_MODELVIEW 0x00001000
#define WINED3D_SHADER_CONST_FFP_VERTEXBLEND 0x00002000
#define WINED3D_SHADER_CONST_FFP_PROJ 0x00004000
#define WINED3D_SHADER_CONST_FFP_TEXMATRIX 0x00008000
#define WINED3D_SHADER_CONST_FFP_MATERIAL 0x00010000
#define WINED3D_SHADER_CONST_FFP_LIGHTS 0x00020000
#define WINED3D_SHADER_CONST_FFP_PS 0x00040000
#define WINED3D_SHADER_CONST_FFP_COLOR_KEY 0x00080000
#define WINED3D_SHADER_CONST_PS_ALPHA_TEST 0x00000400
#define WINED3D_SHADER_CONST_PS_Y_CORR 0x00000800
#define WINED3D_SHADER_CONST_PS_NP2_FIXUP 0x00001000
#define WINED3D_SHADER_CONST_FFP_MODELVIEW 0x00002000
#define WINED3D_SHADER_CONST_FFP_VERTEXBLEND 0x00004000
#define WINED3D_SHADER_CONST_FFP_PROJ 0x00008000
#define WINED3D_SHADER_CONST_FFP_TEXMATRIX 0x00010000
#define WINED3D_SHADER_CONST_FFP_MATERIAL 0x00020000
#define WINED3D_SHADER_CONST_FFP_LIGHTS 0x00040000
#define WINED3D_SHADER_CONST_FFP_PS 0x00080000
#define WINED3D_SHADER_CONST_FFP_COLOR_KEY 0x00100000
enum wined3d_shader_register_type
{
......@@ -1018,8 +1026,10 @@ struct ps_compile_args {
WORD np2_fixup;
WORD shadow; /* MAX_FRAGMENT_SAMPLERS, 16 */
WORD texcoords_initialized; /* MAX_TEXTURES, 8 */
BOOL pointsprite;
BOOL flatshading;
DWORD pointsprite : 1;
DWORD flatshading : 1;
DWORD alpha_test_func : 3;
DWORD padding : 27;
};
enum fog_src_type {
......@@ -2087,7 +2097,8 @@ struct ffp_frag_settings
unsigned char color_key_enabled : 1;
unsigned char pointsprite : 1;
unsigned char flatshading : 1;
unsigned char padding : 5;
unsigned char alpha_test_func : 3;
unsigned char padding : 2;
};
struct ffp_frag_desc
......
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